31000508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 68076288

約数和(自身を除く): 37075780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 251, 308, 401, 502, 802, 1004, 1604, 1757, 2761, 2807, 3514, 4411, 5522, 5614, 7028, 8822, 11044, 11228, 17644, 19327, 30877, 38654, 61754, 77308, 100651, 123508, 201302, 402604, 704557, 1107161, 1409114, 2214322, 2818228, 4428644, 7750127, 15500254, 31000508]

約数ペア:

[(1, 31000508), (2, 15500254), (4, 7750127), (7, 4428644), (11, 2818228), (14, 2214322), (22, 1409114), (28, 1107161), (44, 704557), (77, 402604), (154, 201302), (251, 123508), (308, 100651), (401, 77308), (502, 61754), (802, 38654), (1004, 30877), (1604, 19327), (1757, 17644), (2761, 11228), (2807, 11044), (3514, 8822), (4411, 7028), (5522, 5614)]