16444868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 32208876

約数和(自身を除く): 15764008

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 484, 557, 671, 1114, 1342, 2228, 2684, 6127, 7381, 12254, 14762, 24508, 29524, 33977, 67397, 67954, 134794, 135908, 269588, 373747, 747494, 1494988, 4111217, 8222434, 16444868]

約数ペア:

[(1, 16444868), (2, 8222434), (4, 4111217), (11, 1494988), (22, 747494), (44, 373747), (61, 269588), (121, 135908), (122, 134794), (242, 67954), (244, 67397), (484, 33977), (557, 29524), (671, 24508), (1114, 14762), (1342, 12254), (2228, 7381), (2684, 6127)]