123289712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 120

約数和(自身を含む): 313375776

約数和(自身を除く): 190086064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 289, 293, 364, 442, 476, 578, 586, 728, 884, 952, 1156, 1172, 1456, 1547, 1768, 1904, 2023, 2051, 2312, 2344, 3094, 3536, 3757, 3809, 4046, 4102, 4624, 4688, 4981, 6188, 7514, 7618, 8092, 8204, 9962, 12376, 15028, 15236, 16184, 16408, 19924, 24752, 26299, 26663, 30056, 30472, 32368, 32816, 34867, 39848, 52598, 53326, 60112, 60944, 64753, 69734, 79696, 84677, 105196, 106652, 129506, 139468, 169354, 210392, 213304, 259012, 278936, 338708, 420784, 426608, 453271, 518024, 557872, 592739, 677416, 906542, 1036048, 1100801, 1185478, 1354832, 1813084, 2201602, 2370956, 3626168, 4403204, 4741912, 7252336, 7705607, 8806408, 9483824, 15411214, 17612816, 30822428, 61644856, 123289712]

約数ペア:

[(1, 123289712), (2, 61644856), (4, 30822428), (7, 17612816), (8, 15411214), (13, 9483824), (14, 8806408), (16, 7705607), (17, 7252336), (26, 4741912), (28, 4403204), (34, 3626168), (52, 2370956), (56, 2201602), (68, 1813084), (91, 1354832), (104, 1185478), (112, 1100801), (119, 1036048), (136, 906542), (182, 677416), (208, 592739), (221, 557872), (238, 518024), (272, 453271), (289, 426608), (293, 420784), (364, 338708), (442, 278936), (476, 259012), (578, 213304), (586, 210392), (728, 169354), (884, 139468), (952, 129506), (1156, 106652), (1172, 105196), (1456, 84677), (1547, 79696), (1768, 69734), (1904, 64753), (2023, 60944), (2051, 60112), (2312, 53326), (2344, 52598), (3094, 39848), (3536, 34867), (3757, 32816), (3809, 32368), (4046, 30472), (4102, 30056), (4624, 26663), (4688, 26299), (4981, 24752), (6188, 19924), (7514, 16408), (7618, 16184), (8092, 15236), (8204, 15028), (9962, 12376)]