387473387

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 478528512

約数和(自身を除く): 91055125

約数列:

[1, 7, 23, 43, 97, 161, 301, 577, 679, 989, 2231, 4039, 4171, 6923, 13271, 15617, 24811, 29197, 55969, 92897, 95933, 173677, 391783, 570653, 671531, 1287287, 2406667, 3994571, 9011009, 16846669, 55353341, 387473387]

約数ペア:

[(1, 387473387), (7, 55353341), (23, 16846669), (43, 9011009), (97, 3994571), (161, 2406667), (301, 1287287), (577, 671531), (679, 570653), (989, 391783), (2231, 173677), (4039, 95933), (4171, 92897), (6923, 55969), (13271, 29197), (15617, 24811)]