80816814

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:922

約数の個数: 72

約数和(自身を含む): 195953472

約数和(自身を除く): 115136658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 169, 186, 234, 279, 338, 403, 507, 558, 806, 857, 1014, 1209, 1521, 1714, 2418, 2571, 3042, 3627, 5142, 5239, 7254, 7713, 10478, 11141, 15426, 15717, 22282, 26567, 31434, 33423, 47151, 53134, 66846, 79701, 94302, 100269, 144833, 159402, 200538, 239103, 289666, 345371, 434499, 478206, 690742, 868998, 1036113, 1303497, 2072226, 2606994, 3108339, 4489823, 6216678, 8979646, 13469469, 26938938, 40408407, 80816814]

約数ペア:

[(1, 80816814), (2, 40408407), (3, 26938938), (6, 13469469), (9, 8979646), (13, 6216678), (18, 4489823), (26, 3108339), (31, 2606994), (39, 2072226), (62, 1303497), (78, 1036113), (93, 868998), (117, 690742), (169, 478206), (186, 434499), (234, 345371), (279, 289666), (338, 239103), (403, 200538), (507, 159402), (558, 144833), (806, 100269), (857, 94302), (1014, 79701), (1209, 66846), (1521, 53134), (1714, 47151), (2418, 33423), (2571, 31434), (3042, 26567), (3627, 22282), (5142, 15717), (5239, 15426), (7254, 11141), (7713, 10478)]