40880021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{983}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 50475264

約数和(自身を除く): 9595243

約数列:

[1, 7, 13, 91, 457, 983, 3199, 5941, 6881, 12779, 41587, 89453, 449231, 3144617, 5840003, 40880021]

約数ペア:

[(1, 40880021), (7, 5840003), (13, 3144617), (91, 449231), (457, 89453), (983, 41587), (3199, 12779), (5941, 6881)]