40478386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{1571}}^1$

素因数の和:2577

約数の個数: 16

約数和(自身を含む): 65495808

約数和(自身を除く): 25017422

約数列:

[1, 2, 13, 26, 991, 1571, 1982, 3142, 12883, 20423, 25766, 40846, 1556861, 3113722, 20239193, 40478386]

約数ペア:

[(1, 40478386), (2, 20239193), (13, 3113722), (26, 1556861), (991, 40846), (1571, 25766), (1982, 20423), (3142, 12883)]