25680978

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{10891}}^1$

素因数の和:11030

約数の個数: 24

約数和(自身を含む): 56072016

約数和(自身を除く): 30391038

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 10891, 21782, 32673, 65346, 98019, 196038, 1426721, 2853442, 4280163, 8560326, 12840489, 25680978]

約数ペア:

[(1, 25680978), (2, 12840489), (3, 8560326), (6, 4280163), (9, 2853442), (18, 1426721), (131, 196038), (262, 98019), (393, 65346), (786, 32673), (1179, 21782), (2358, 10891)]