247520208

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{396667}}^1$

素因数の和:396691

約数の個数: 40

約数和(自身を含む): 688615648

約数和(自身を除く): 441095440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 396667, 793334, 1190001, 1586668, 2380002, 3173336, 4760004, 5156671, 6346672, 9520008, 10313342, 15470013, 19040016, 20626684, 30940026, 41253368, 61880052, 82506736, 123760104, 247520208]

約数ペア:

[(1, 247520208), (2, 123760104), (3, 82506736), (4, 61880052), (6, 41253368), (8, 30940026), (12, 20626684), (13, 19040016), (16, 15470013), (24, 10313342), (26, 9520008), (39, 6346672), (48, 5156671), (52, 4760004), (78, 3173336), (104, 2380002), (156, 1586668), (208, 1190001), (312, 793334), (624, 396667)]