81607464

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^2\times {\mathrm{613}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 226648890

約数和(自身を除く): 145041426

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 613, 774, 1032, 1226, 1548, 1839, 1849, 2452, 3096, 3678, 3698, 4904, 5517, 5547, 7356, 7396, 11034, 11094, 14712, 14792, 16641, 22068, 22188, 26359, 33282, 44136, 44376, 52718, 66564, 79077, 105436, 133128, 158154, 210872, 237231, 316308, 474462, 632616, 948924, 1133437, 1897848, 2266874, 3400311, 4533748, 6800622, 9067496, 10200933, 13601244, 20401866, 27202488, 40803732, 81607464]

約数ペア:

[(1, 81607464), (2, 40803732), (3, 27202488), (4, 20401866), (6, 13601244), (8, 10200933), (9, 9067496), (12, 6800622), (18, 4533748), (24, 3400311), (36, 2266874), (43, 1897848), (72, 1133437), (86, 948924), (129, 632616), (172, 474462), (258, 316308), (344, 237231), (387, 210872), (516, 158154), (613, 133128), (774, 105436), (1032, 79077), (1226, 66564), (1548, 52718), (1839, 44376), (1849, 44136), (2452, 33282), (3096, 26359), (3678, 22188), (3698, 22068), (4904, 16641), (5517, 14792), (5547, 14712), (7356, 11094), (7396, 11034)]