31915116

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 84324240

約数和(自身を除く): 52409124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 387, 389, 477, 516, 636, 774, 778, 954, 1167, 1548, 1556, 1908, 2279, 2334, 3501, 4558, 4668, 6837, 7002, 9116, 13674, 14004, 16727, 20511, 20617, 27348, 33454, 41022, 41234, 50181, 61851, 66908, 82044, 82468, 100362, 123702, 150543, 185553, 200724, 247404, 301086, 371106, 602172, 742212, 886531, 1773062, 2659593, 3546124, 5319186, 7978779, 10638372, 15957558, 31915116]

約数ペア:

[(1, 31915116), (2, 15957558), (3, 10638372), (4, 7978779), (6, 5319186), (9, 3546124), (12, 2659593), (18, 1773062), (36, 886531), (43, 742212), (53, 602172), (86, 371106), (106, 301086), (129, 247404), (159, 200724), (172, 185553), (212, 150543), (258, 123702), (318, 100362), (387, 82468), (389, 82044), (477, 66908), (516, 61851), (636, 50181), (774, 41234), (778, 41022), (954, 33454), (1167, 27348), (1548, 20617), (1556, 20511), (1908, 16727), (2279, 14004), (2334, 13674), (3501, 9116), (4558, 7002), (4668, 6837)]