25001748

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 66882816

約数和(自身を除く): 41881068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 516, 521, 558, 774, 1042, 1116, 1333, 1548, 1563, 2084, 2666, 3126, 3999, 4689, 5332, 6252, 7998, 9378, 11997, 15996, 16151, 18756, 22403, 23994, 32302, 44806, 47988, 48453, 64604, 67209, 89612, 96906, 134418, 145359, 193812, 201627, 268836, 290718, 403254, 581436, 694493, 806508, 1388986, 2083479, 2777972, 4166958, 6250437, 8333916, 12500874, 25001748]

約数ペア:

[(1, 25001748), (2, 12500874), (3, 8333916), (4, 6250437), (6, 4166958), (9, 2777972), (12, 2083479), (18, 1388986), (31, 806508), (36, 694493), (43, 581436), (62, 403254), (86, 290718), (93, 268836), (124, 201627), (129, 193812), (172, 145359), (186, 134418), (258, 96906), (279, 89612), (372, 67209), (387, 64604), (516, 48453), (521, 47988), (558, 44806), (774, 32302), (1042, 23994), (1116, 22403), (1333, 18756), (1548, 16151), (1563, 15996), (2084, 11997), (2666, 9378), (3126, 7998), (3999, 6252), (4689, 5332)]