81550612

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 54

約数和(自身を含む): 170032254

約数和(自身を除く): 88481642

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 169, 242, 286, 338, 484, 572, 676, 997, 1573, 1859, 1994, 3146, 3718, 3988, 6292, 7436, 10967, 12961, 20449, 21934, 25922, 40898, 43868, 51844, 81796, 120637, 142571, 168493, 241274, 285142, 336986, 482548, 570284, 673972, 1568281, 1853423, 3136562, 3706846, 6273124, 7413692, 20387653, 40775306, 81550612]

約数ペア:

[(1, 81550612), (2, 40775306), (4, 20387653), (11, 7413692), (13, 6273124), (22, 3706846), (26, 3136562), (44, 1853423), (52, 1568281), (121, 673972), (143, 570284), (169, 482548), (242, 336986), (286, 285142), (338, 241274), (484, 168493), (572, 142571), (676, 120637), (997, 81796), (1573, 51844), (1859, 43868), (1994, 40898), (3146, 25922), (3718, 21934), (3988, 20449), (6292, 12961), (7436, 10967)]