9964405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7877}}^1$

素因数の和:7916

約数の個数: 16

約数和(自身を含む): 13613184

約数和(自身を除く): 3648779

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 7877, 39385, 86647, 181171, 433235, 905855, 1992881, 9964405]

約数ペア:

[(1, 9964405), (5, 1992881), (11, 905855), (23, 433235), (55, 181171), (115, 86647), (253, 39385), (1265, 7877)]