1291660864

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67499}}^1$

素因数の和:67547

約数の個数: 56

約数和(自身を含む): 2880360000

約数和(自身を除く): 1588699136

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1196, 1472, 2392, 4784, 9568, 19136, 67499, 134998, 269996, 539992, 877487, 1079984, 1552477, 1754974, 2159968, 3104954, 3509948, 4319936, 6209908, 7019896, 12419816, 14039792, 20182201, 24839632, 28079584, 40364402, 49679264, 56159168, 80728804, 99358528, 161457608, 322915216, 645830432, 1291660864]

約数ペア:

[(1, 1291660864), (2, 645830432), (4, 322915216), (8, 161457608), (13, 99358528), (16, 80728804), (23, 56159168), (26, 49679264), (32, 40364402), (46, 28079584), (52, 24839632), (64, 20182201), (92, 14039792), (104, 12419816), (184, 7019896), (208, 6209908), (299, 4319936), (368, 3509948), (416, 3104954), (598, 2159968), (736, 1754974), (832, 1552477), (1196, 1079984), (1472, 877487), (2392, 539992), (4784, 269996), (9568, 134998), (19136, 67499)]