31818644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 54

約数和(自身を含む): 66445470

約数和(自身を除く): 34626826

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 169, 242, 286, 338, 389, 484, 572, 676, 778, 1556, 1573, 1859, 3146, 3718, 4279, 5057, 6292, 7436, 8558, 10114, 17116, 20228, 20449, 40898, 47069, 55627, 65741, 81796, 94138, 111254, 131482, 188276, 222508, 262964, 611897, 723151, 1223794, 1446302, 2447588, 2892604, 7954661, 15909322, 31818644]

約数ペア:

[(1, 31818644), (2, 15909322), (4, 7954661), (11, 2892604), (13, 2447588), (22, 1446302), (26, 1223794), (44, 723151), (52, 611897), (121, 262964), (143, 222508), (169, 188276), (242, 131482), (286, 111254), (338, 94138), (389, 81796), (484, 65741), (572, 55627), (676, 47069), (778, 40898), (1556, 20449), (1573, 20228), (1859, 17116), (3146, 10114), (3718, 8558), (4279, 7436), (5057, 6292)]