30811588

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 55168344

約数和(自身を除く): 24356756

約数列:

[1, 2, 4, 61, 122, 197, 244, 394, 641, 788, 1282, 2564, 12017, 24034, 39101, 48068, 78202, 126277, 156404, 252554, 505108, 7702897, 15405794, 30811588]

約数ペア:

[(1, 30811588), (2, 15405794), (4, 7702897), (61, 505108), (122, 252554), (197, 156404), (244, 126277), (394, 78202), (641, 48068), (788, 39101), (1282, 24034), (2564, 12017)]