66399995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{2647}}^1$

素因数の和:2854

約数の個数: 16

約数和(自身を含む): 82935360

約数和(自身を除く): 16535365

約数列:

[1, 5, 29, 145, 173, 865, 2647, 5017, 13235, 25085, 76763, 383815, 457931, 2289655, 13279999, 66399995]

約数ペア:

[(1, 66399995), (5, 13279999), (29, 2289655), (145, 457931), (173, 383815), (865, 76763), (2647, 25085), (5017, 13235)]