638654752

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{9817}}^1$

素因数の和:9953

約数の個数: 48

約数和(自身を含む): 1336033440

約数和(自身を除く): 697378688

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 107, 152, 214, 304, 428, 608, 856, 1712, 2033, 3424, 4066, 8132, 9817, 16264, 19634, 32528, 39268, 65056, 78536, 157072, 186523, 314144, 373046, 746092, 1050419, 1492184, 2100838, 2984368, 4201676, 5968736, 8403352, 16806704, 19957961, 33613408, 39915922, 79831844, 159663688, 319327376, 638654752]

約数ペア:

[(1, 638654752), (2, 319327376), (4, 159663688), (8, 79831844), (16, 39915922), (19, 33613408), (32, 19957961), (38, 16806704), (76, 8403352), (107, 5968736), (152, 4201676), (214, 2984368), (304, 2100838), (428, 1492184), (608, 1050419), (856, 746092), (1712, 373046), (2033, 314144), (3424, 186523), (4066, 157072), (8132, 78536), (9817, 65056), (16264, 39268), (19634, 32528)]