31840812

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 83859776

約数和(自身を除く): 52018964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 172, 201, 258, 268, 307, 387, 402, 516, 603, 614, 774, 804, 921, 1206, 1228, 1548, 1842, 2412, 2763, 2881, 3684, 5526, 5762, 8643, 11052, 11524, 13201, 17286, 20569, 25929, 26402, 34572, 39603, 41138, 51858, 52804, 61707, 79206, 82276, 103716, 118809, 123414, 158412, 185121, 237618, 246828, 370242, 475236, 740484, 884467, 1768934, 2653401, 3537868, 5306802, 7960203, 10613604, 15920406, 31840812]

約数ペア:

[(1, 31840812), (2, 15920406), (3, 10613604), (4, 7960203), (6, 5306802), (9, 3537868), (12, 2653401), (18, 1768934), (36, 884467), (43, 740484), (67, 475236), (86, 370242), (129, 246828), (134, 237618), (172, 185121), (201, 158412), (258, 123414), (268, 118809), (307, 103716), (387, 82276), (402, 79206), (516, 61707), (603, 52804), (614, 51858), (774, 41138), (804, 39603), (921, 34572), (1206, 26402), (1228, 25929), (1548, 20569), (1842, 17286), (2412, 13201), (2763, 11524), (2881, 11052), (3684, 8643), (5526, 5762)]