81084388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6421}}^1$

素因数の和:6484

約数の個数: 48

約数和(自身を含む): 181254528

約数和(自身を除く): 100170140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1804, 3157, 6314, 6421, 12628, 12842, 25684, 44947, 70631, 89894, 141262, 179788, 263261, 282524, 494417, 526522, 988834, 1053044, 1842827, 1977668, 2895871, 3685654, 5791742, 7371308, 11583484, 20271097, 40542194, 81084388]

約数ペア:

[(1, 81084388), (2, 40542194), (4, 20271097), (7, 11583484), (11, 7371308), (14, 5791742), (22, 3685654), (28, 2895871), (41, 1977668), (44, 1842827), (77, 1053044), (82, 988834), (154, 526522), (164, 494417), (287, 282524), (308, 263261), (451, 179788), (574, 141262), (902, 89894), (1148, 70631), (1804, 44947), (3157, 25684), (6314, 12842), (6421, 12628)]