77897428

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{31259}}^1$

素因数の和:31359

約数の個数: 24

約数和(自身を含む): 157550400

約数和(自身を除く): 79652972

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 31259, 62518, 125036, 218813, 437626, 875252, 2782051, 5564102, 11128204, 19474357, 38948714, 77897428]

約数ペア:

[(1, 77897428), (2, 38948714), (4, 19474357), (7, 11128204), (14, 5564102), (28, 2782051), (89, 875252), (178, 437626), (356, 218813), (623, 125036), (1246, 62518), (2492, 31259)]