397799376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{637499}}^1$

素因数の和:637523

約数の個数: 40

約数和(自身を含む): 1106700000

約数和(自身を除く): 708900624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 637499, 1274998, 1912497, 2549996, 3824994, 5099992, 7649988, 8287487, 10199984, 15299976, 16574974, 24862461, 30599952, 33149948, 49724922, 66299896, 99449844, 132599792, 198899688, 397799376]

約数ペア:

[(1, 397799376), (2, 198899688), (3, 132599792), (4, 99449844), (6, 66299896), (8, 49724922), (12, 33149948), (13, 30599952), (16, 24862461), (24, 16574974), (26, 15299976), (39, 10199984), (48, 8287487), (52, 7649988), (78, 5099992), (104, 3824994), (156, 2549996), (208, 1912497), (312, 1274998), (624, 637499)]