25513712

素因数分解:

$2^4\times 7^3\times {\mathrm{4649}}^1$

素因数の和:4678

約数の個数: 40

約数和(自身を含む): 57660000

約数和(自身を除く): 32146288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 4649, 5488, 9298, 18596, 32543, 37192, 65086, 74384, 130172, 227801, 260344, 455602, 520688, 911204, 1594607, 1822408, 3189214, 3644816, 6378428, 12756856, 25513712]

約数ペア:

[(1, 25513712), (2, 12756856), (4, 6378428), (7, 3644816), (8, 3189214), (14, 1822408), (16, 1594607), (28, 911204), (49, 520688), (56, 455602), (98, 260344), (112, 227801), (196, 130172), (343, 74384), (392, 65086), (686, 37192), (784, 32543), (1372, 18596), (2744, 9298), (4649, 5488)]