81905512

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 172111500

約数和(自身を除く): 90205988

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 169, 232, 338, 377, 676, 754, 1352, 1508, 2089, 3016, 4178, 4901, 8356, 9802, 16712, 19604, 27157, 39208, 54314, 60581, 108628, 121162, 217256, 242324, 353041, 484648, 706082, 787553, 1412164, 1575106, 2824328, 3150212, 6300424, 10238189, 20476378, 40952756, 81905512]

約数ペア:

[(1, 81905512), (2, 40952756), (4, 20476378), (8, 10238189), (13, 6300424), (26, 3150212), (29, 2824328), (52, 1575106), (58, 1412164), (104, 787553), (116, 706082), (169, 484648), (232, 353041), (338, 242324), (377, 217256), (676, 121162), (754, 108628), (1352, 60581), (1508, 54314), (2089, 39208), (3016, 27157), (4178, 19604), (4901, 16712), (8356, 9802)]