661557065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1\times {\mathrm{4139}}^1$

素因数の和:6616

約数の個数: 16

約数和(自身を含む): 855489600

約数和(自身を除く): 193932535

約数列:

[1, 5, 13, 65, 2459, 4139, 12295, 20695, 31967, 53807, 159835, 269035, 10177801, 50889005, 132311413, 661557065]

約数ペア:

[(1, 661557065), (5, 132311413), (13, 50889005), (65, 10177801), (2459, 269035), (4139, 159835), (12295, 53807), (20695, 31967)]