128148978

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 274710528

約数和(自身を除く): 146561550

約数列:

[1, 2, 3, 6, 31, 47, 62, 93, 94, 107, 137, 141, 186, 214, 274, 282, 321, 411, 642, 822, 1457, 2914, 3317, 4247, 4371, 5029, 6439, 6634, 8494, 8742, 9951, 10058, 12741, 12878, 14659, 15087, 19317, 19902, 25482, 29318, 30174, 38634, 43977, 87954, 155899, 199609, 311798, 399218, 454429, 467697, 598827, 688973, 908858, 935394, 1197654, 1363287, 1377946, 2066919, 2726574, 4133838, 21358163, 42716326, 64074489, 128148978]

約数ペア:

[(1, 128148978), (2, 64074489), (3, 42716326), (6, 21358163), (31, 4133838), (47, 2726574), (62, 2066919), (93, 1377946), (94, 1363287), (107, 1197654), (137, 935394), (141, 908858), (186, 688973), (214, 598827), (274, 467697), (282, 454429), (321, 399218), (411, 311798), (642, 199609), (822, 155899), (1457, 87954), (2914, 43977), (3317, 38634), (4247, 30174), (4371, 29318), (5029, 25482), (6439, 19902), (6634, 19317), (8494, 15087), (8742, 14659), (9951, 12878), (10058, 12741)]