77915312

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{421}}^1$

素因数の和:741

約数の個数: 40

約数和(自身を含む): 155414160

約数和(自身を除く): 77498848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 269, 344, 421, 538, 688, 842, 1076, 1684, 2152, 3368, 4304, 6736, 11567, 18103, 23134, 36206, 46268, 72412, 92536, 113249, 144824, 185072, 226498, 289648, 452996, 905992, 1811984, 4869707, 9739414, 19478828, 38957656, 77915312]

約数ペア:

[(1, 77915312), (2, 38957656), (4, 19478828), (8, 9739414), (16, 4869707), (43, 1811984), (86, 905992), (172, 452996), (269, 289648), (344, 226498), (421, 185072), (538, 144824), (688, 113249), (842, 92536), (1076, 72412), (1684, 46268), (2152, 36206), (3368, 23134), (4304, 18103), (6736, 11567)]