12745678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{8647}}^1$

素因数の和:8727

約数の個数: 16

約数和(自身を含む): 21170304

約数和(自身を除く): 8424626

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 8647, 17294, 95117, 190234, 579349, 1158698, 6372839, 12745678]

約数ペア:

[(1, 12745678), (2, 6372839), (11, 1158698), (22, 579349), (67, 190234), (134, 95117), (737, 17294), (1474, 8647)]