291258286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{217033}}^1$

素因数の和:217107

約数の個数: 16

約数和(自身を含む): 484419888

約数和(自身を除く): 193161602

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 217033, 434066, 2387363, 4774726, 13239013, 26478026, 145629143, 291258286]

約数ペア:

[(1, 291258286), (2, 145629143), (11, 26478026), (22, 13239013), (61, 4774726), (122, 2387363), (671, 434066), (1342, 217033)]