72905222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{20173}}^1$

素因数の和:20327

約数の個数: 16

約数和(自身を含む): 118623120

約数和(自身を除く): 45717898

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 20173, 40346, 262249, 524498, 2804047, 5608094, 36452611, 72905222]

約数ペア:

[(1, 72905222), (2, 36452611), (13, 5608094), (26, 2804047), (139, 524498), (278, 262249), (1807, 40346), (3614, 20173)]