311376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 868000

約数和(自身を除く): 556624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 499, 624, 998, 1497, 1996, 2994, 3992, 5988, 6487, 7984, 11976, 12974, 19461, 23952, 25948, 38922, 51896, 77844, 103792, 155688, 311376]

約数ペア:

[(1, 311376), (2, 155688), (3, 103792), (4, 77844), (6, 51896), (8, 38922), (12, 25948), (13, 23952), (16, 19461), (24, 12974), (26, 11976), (39, 7984), (48, 6487), (52, 5988), (78, 3992), (104, 2994), (156, 1996), (208, 1497), (312, 998), (499, 624)]