25999896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 70560000

約数和(自身を除く): 44560104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 167, 312, 334, 499, 501, 668, 998, 1002, 1336, 1497, 1996, 2004, 2171, 2994, 3992, 4008, 4342, 5988, 6487, 6513, 8684, 11976, 12974, 13026, 17368, 19461, 25948, 26052, 38922, 51896, 52104, 77844, 83333, 155688, 166666, 249999, 333332, 499998, 666664, 999996, 1083329, 1999992, 2166658, 3249987, 4333316, 6499974, 8666632, 12999948, 25999896]

約数ペア:

[(1, 25999896), (2, 12999948), (3, 8666632), (4, 6499974), (6, 4333316), (8, 3249987), (12, 2166658), (13, 1999992), (24, 1083329), (26, 999996), (39, 666664), (52, 499998), (78, 333332), (104, 249999), (156, 166666), (167, 155688), (312, 83333), (334, 77844), (499, 52104), (501, 51896), (668, 38922), (998, 26052), (1002, 25948), (1336, 19461), (1497, 17368), (1996, 13026), (2004, 12974), (2171, 11976), (2994, 8684), (3992, 6513), (4008, 6487), (4342, 5988)]