25728724

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1048

約数の個数: 36

約数和(自身を含む): 52787700

約数和(自身を除く): 27058976

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 881, 1043, 1762, 2086, 3524, 4172, 6167, 7301, 12334, 14602, 24668, 29204, 43169, 86338, 131269, 172676, 262538, 525076, 918883, 1837766, 3675532, 6432181, 12864362, 25728724]

約数ペア:

[(1, 25728724), (2, 12864362), (4, 6432181), (7, 3675532), (14, 1837766), (28, 918883), (49, 525076), (98, 262538), (149, 172676), (196, 131269), (298, 86338), (596, 43169), (881, 29204), (1043, 24668), (1762, 14602), (2086, 12334), (3524, 7301), (4172, 6167)]