123719778

素因数分解:

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

素因数の和:1529

約数の個数: 128

約数和(自身を含む): 358525440

約数和(自身を除く): 234805662

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 182, 189, 221, 234, 238, 273, 306, 351, 357, 378, 442, 459, 546, 663, 702, 714, 819, 918, 1071, 1326, 1481, 1547, 1638, 1989, 2142, 2457, 2962, 3094, 3213, 3978, 4443, 4641, 4914, 5967, 6426, 8886, 9282, 10367, 11934, 13329, 13923, 19253, 20734, 25177, 26658, 27846, 31101, 38506, 39987, 41769, 50354, 57759, 62202, 75531, 79974, 83538, 93303, 115518, 134771, 151062, 173277, 176239, 186606, 226593, 269542, 279909, 327301, 346554, 352478, 404313, 453186, 519831, 528717, 559818, 654602, 679779, 808626, 981903, 1039662, 1057434, 1212939, 1359558, 1586151, 1963806, 2291107, 2425878, 2945709, 3172302, 3638817, 4582214, 4758453, 5891418, 6873321, 7277634, 8837127, 9516906, 13746642, 17674254, 20619963, 41239926, 61859889, 123719778]

約数ペア:

[(1, 123719778), (2, 61859889), (3, 41239926), (6, 20619963), (7, 17674254), (9, 13746642), (13, 9516906), (14, 8837127), (17, 7277634), (18, 6873321), (21, 5891418), (26, 4758453), (27, 4582214), (34, 3638817), (39, 3172302), (42, 2945709), (51, 2425878), (54, 2291107), (63, 1963806), (78, 1586151), (91, 1359558), (102, 1212939), (117, 1057434), (119, 1039662), (126, 981903), (153, 808626), (182, 679779), (189, 654602), (221, 559818), (234, 528717), (238, 519831), (273, 453186), (306, 404313), (351, 352478), (357, 346554), (378, 327301), (442, 279909), (459, 269542), (546, 226593), (663, 186606), (702, 176239), (714, 173277), (819, 151062), (918, 134771), (1071, 115518), (1326, 93303), (1481, 83538), (1547, 79974), (1638, 75531), (1989, 62202), (2142, 57759), (2457, 50354), (2962, 41769), (3094, 39987), (3213, 38506), (3978, 31101), (4443, 27846), (4641, 26658), (4914, 25177), (5967, 20734), (6426, 19253), (8886, 13923), (9282, 13329), (10367, 11934)]