81867404

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{12457}}^1$

素因数の和:12545

約数の個数: 24

約数和(自身を含む): 150691968

約数和(自身を除く): 68824564

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 1643, 3286, 6572, 12457, 24914, 49828, 386167, 660221, 772334, 1320442, 1544668, 2640884, 20466851, 40933702, 81867404]

約数ペア:

[(1, 81867404), (2, 40933702), (4, 20466851), (31, 2640884), (53, 1544668), (62, 1320442), (106, 772334), (124, 660221), (212, 386167), (1643, 49828), (3286, 24914), (6572, 12457)]