321691838

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 555763680

約数和(自身を除く): 234071842

約数列:

[1, 2, 13, 26, 29, 37, 58, 74, 169, 338, 377, 481, 754, 887, 962, 1073, 1774, 2146, 4901, 6253, 9802, 11531, 12506, 13949, 23062, 25723, 27898, 32819, 51446, 65638, 149903, 181337, 299806, 334399, 362674, 426647, 668798, 853294, 951751, 1903502, 4347187, 5546411, 8694374, 11092822, 12372763, 24745526, 160845919, 321691838]

約数ペア:

[(1, 321691838), (2, 160845919), (13, 24745526), (26, 12372763), (29, 11092822), (37, 8694374), (58, 5546411), (74, 4347187), (169, 1903502), (338, 951751), (377, 853294), (481, 668798), (754, 426647), (887, 362674), (962, 334399), (1073, 299806), (1774, 181337), (2146, 149903), (4901, 65638), (6253, 51446), (9802, 32819), (11531, 27898), (12506, 25723), (13949, 23062)]