78915968

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 170156400

約数和(自身を除く): 91240432

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 296, 304, 592, 608, 703, 877, 1184, 1216, 1406, 1754, 2368, 2432, 2812, 3508, 4736, 5624, 7016, 11248, 14032, 16663, 22496, 28064, 32449, 33326, 44992, 56128, 64898, 66652, 89984, 112256, 129796, 133304, 259592, 266608, 519184, 533216, 616531, 1038368, 1066432, 1233062, 2076736, 2132864, 2466124, 4153472, 4932248, 9864496, 19728992, 39457984, 78915968]

約数ペア:

[(1, 78915968), (2, 39457984), (4, 19728992), (8, 9864496), (16, 4932248), (19, 4153472), (32, 2466124), (37, 2132864), (38, 2076736), (64, 1233062), (74, 1066432), (76, 1038368), (128, 616531), (148, 533216), (152, 519184), (296, 266608), (304, 259592), (592, 133304), (608, 129796), (703, 112256), (877, 89984), (1184, 66652), (1216, 64898), (1406, 56128), (1754, 44992), (2368, 33326), (2432, 32449), (2812, 28064), (3508, 22496), (4736, 16663), (5624, 14032), (7016, 11248)]