1388893329995

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{27011}}^1\times {\mathrm{331739}}^1$

素因数の和:358786

約数の個数: 16

約数和(自身を含む): 1720504488960

約数和(自身を除く): 331611158965

約数列:

[1, 5, 31, 155, 27011, 135055, 331739, 837341, 1658695, 4186705, 10283909, 51419545, 8960602129, 44803010645, 277778665999, 1388893329995]

約数ペア:

[(1, 1388893329995), (5, 277778665999), (31, 44803010645), (155, 8960602129), (27011, 51419545), (135055, 10283909), (331739, 4186705), (837341, 1658695)]