164879984

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 326430000

約数和(自身を除く): 161550016

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 389, 449, 472, 778, 898, 944, 1556, 1796, 3112, 3592, 6224, 7184, 22951, 26491, 45902, 52982, 91804, 105964, 174661, 183608, 211928, 349322, 367216, 423856, 698644, 1397288, 2794576, 10304999, 20609998, 41219996, 82439992, 164879984]

約数ペア:

[(1, 164879984), (2, 82439992), (4, 41219996), (8, 20609998), (16, 10304999), (59, 2794576), (118, 1397288), (236, 698644), (389, 423856), (449, 367216), (472, 349322), (778, 211928), (898, 183608), (944, 174661), (1556, 105964), (1796, 91804), (3112, 52982), (3592, 45902), (6224, 26491), (7184, 22951)]