291298254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{86851}}^1$

素因数の和:86912

約数の個数: 32

約数和(自身を含む): 642009984

約数和(自身を除く): 350711730

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 86851, 173702, 260553, 521106, 1129063, 2258126, 3387189, 3734593, 6774378, 7469186, 11203779, 22407558, 48549709, 97099418, 145649127, 291298254]

約数ペア:

[(1, 291298254), (2, 145649127), (3, 97099418), (6, 48549709), (13, 22407558), (26, 11203779), (39, 7469186), (43, 6774378), (78, 3734593), (86, 3387189), (129, 2258126), (258, 1129063), (559, 521106), (1118, 260553), (1677, 173702), (3354, 86851)]