247439556

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1531

約数の個数: 192

約数和(自身を含む): 836559360

約数和(自身を除く): 589119804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 39, 42, 51, 52, 54, 63, 68, 78, 84, 91, 102, 108, 117, 119, 126, 153, 156, 182, 189, 204, 221, 234, 238, 252, 273, 306, 351, 357, 364, 378, 442, 459, 468, 476, 546, 612, 663, 702, 714, 756, 819, 884, 918, 1071, 1092, 1326, 1404, 1428, 1481, 1547, 1638, 1836, 1989, 2142, 2457, 2652, 2962, 3094, 3213, 3276, 3978, 4284, 4443, 4641, 4914, 5924, 5967, 6188, 6426, 7956, 8886, 9282, 9828, 10367, 11934, 12852, 13329, 13923, 17772, 18564, 19253, 20734, 23868, 25177, 26658, 27846, 31101, 38506, 39987, 41468, 41769, 50354, 53316, 55692, 57759, 62202, 75531, 77012, 79974, 83538, 93303, 100708, 115518, 124404, 134771, 151062, 159948, 167076, 173277, 176239, 186606, 226593, 231036, 269542, 279909, 302124, 327301, 346554, 352478, 373212, 404313, 453186, 519831, 528717, 539084, 559818, 654602, 679779, 693108, 704956, 808626, 906372, 981903, 1039662, 1057434, 1119636, 1212939, 1309204, 1359558, 1586151, 1617252, 1963806, 2079324, 2114868, 2291107, 2425878, 2719116, 2945709, 3172302, 3638817, 3927612, 4582214, 4758453, 4851756, 5891418, 6344604, 6873321, 7277634, 8837127, 9164428, 9516906, 11782836, 13746642, 14555268, 17674254, 19033812, 20619963, 27493284, 35348508, 41239926, 61859889, 82479852, 123719778, 247439556]

約数ペア:

[(1, 247439556), (2, 123719778), (3, 82479852), (4, 61859889), (6, 41239926), (7, 35348508), (9, 27493284), (12, 20619963), (13, 19033812), (14, 17674254), (17, 14555268), (18, 13746642), (21, 11782836), (26, 9516906), (27, 9164428), (28, 8837127), (34, 7277634), (36, 6873321), (39, 6344604), (42, 5891418), (51, 4851756), (52, 4758453), (54, 4582214), (63, 3927612), (68, 3638817), (78, 3172302), (84, 2945709), (91, 2719116), (102, 2425878), (108, 2291107), (117, 2114868), (119, 2079324), (126, 1963806), (153, 1617252), (156, 1586151), (182, 1359558), (189, 1309204), (204, 1212939), (221, 1119636), (234, 1057434), (238, 1039662), (252, 981903), (273, 906372), (306, 808626), (351, 704956), (357, 693108), (364, 679779), (378, 654602), (442, 559818), (459, 539084), (468, 528717), (476, 519831), (546, 453186), (612, 404313), (663, 373212), (702, 352478), (714, 346554), (756, 327301), (819, 302124), (884, 279909), (918, 269542), (1071, 231036), (1092, 226593), (1326, 186606), (1404, 176239), (1428, 173277), (1481, 167076), (1547, 159948), (1638, 151062), (1836, 134771), (1989, 124404), (2142, 115518), (2457, 100708), (2652, 93303), (2962, 83538), (3094, 79974), (3213, 77012), (3276, 75531), (3978, 62202), (4284, 57759), (4443, 55692), (4641, 53316), (4914, 50354), (5924, 41769), (5967, 41468), (6188, 39987), (6426, 38506), (7956, 31101), (8886, 27846), (9282, 26658), (9828, 25177), (10367, 23868), (11934, 20734), (12852, 19253), (13329, 18564), (13923, 17772)]