28521668

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21673}}^1$

素因数の和:21731

約数の個数: 24

約数和(自身を含む): 58259712

約数和(自身を除く): 29738044

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 21673, 43346, 86692, 151711, 303422, 606844, 1018631, 2037262, 4074524, 7130417, 14260834, 28521668]

約数ペア:

[(1, 28521668), (2, 14260834), (4, 7130417), (7, 4074524), (14, 2037262), (28, 1018631), (47, 606844), (94, 303422), (188, 151711), (329, 86692), (658, 43346), (1316, 21673)]