1276375984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{266801}}^1$

素因数の和:266845

約数の個数: 40

約数和(自身を含む): 2779009632

約数和(自身を除く): 1502633648

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 266801, 533602, 1067204, 2134408, 3468413, 4268816, 6136423, 6936826, 12272846, 13873652, 24545692, 27747304, 49091384, 55494608, 79773499, 98182768, 159546998, 319093996, 638187992, 1276375984]

約数ペア:

[(1, 1276375984), (2, 638187992), (4, 319093996), (8, 159546998), (13, 98182768), (16, 79773499), (23, 55494608), (26, 49091384), (46, 27747304), (52, 24545692), (92, 13873652), (104, 12272846), (184, 6936826), (208, 6136423), (299, 4268816), (368, 3468413), (598, 2134408), (1196, 1067204), (2392, 533602), (4784, 266801)]