25978288

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1423}}^1$

素因数の和:1601

約数の個数: 40

約数和(自身を含む): 57916928

約数和(自身を除く): 31938640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1141, 1304, 1423, 2282, 2608, 2846, 4564, 5692, 9128, 9961, 11384, 18256, 19922, 22768, 39844, 79688, 159376, 231949, 463898, 927796, 1623643, 1855592, 3247286, 3711184, 6494572, 12989144, 25978288]

約数ペア:

[(1, 25978288), (2, 12989144), (4, 6494572), (7, 3711184), (8, 3247286), (14, 1855592), (16, 1623643), (28, 927796), (56, 463898), (112, 231949), (163, 159376), (326, 79688), (652, 39844), (1141, 22768), (1304, 19922), (1423, 18256), (2282, 11384), (2608, 9961), (2846, 9128), (4564, 5692)]