661845756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{859}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 1820448000

約数和(自身を除く): 1158602244

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 449, 572, 858, 859, 898, 1347, 1716, 1718, 1796, 2577, 2694, 3436, 4939, 5154, 5388, 5837, 9449, 9878, 10308, 11167, 11674, 14817, 17511, 18898, 19756, 22334, 23348, 28347, 29634, 33501, 35022, 37796, 44668, 56694, 59268, 64207, 67002, 70044, 113388, 122837, 128414, 134004, 192621, 245674, 256828, 368511, 385242, 385691, 491348, 737022, 770484, 771382, 1157073, 1474044, 1542764, 2314146, 4242601, 4628292, 5013983, 8485202, 10027966, 12727803, 15041949, 16970404, 20055932, 25455606, 30083898, 50911212, 55153813, 60167796, 110307626, 165461439, 220615252, 330922878, 661845756]

約数ペア:

[(1, 661845756), (2, 330922878), (3, 220615252), (4, 165461439), (6, 110307626), (11, 60167796), (12, 55153813), (13, 50911212), (22, 30083898), (26, 25455606), (33, 20055932), (39, 16970404), (44, 15041949), (52, 12727803), (66, 10027966), (78, 8485202), (132, 5013983), (143, 4628292), (156, 4242601), (286, 2314146), (429, 1542764), (449, 1474044), (572, 1157073), (858, 771382), (859, 770484), (898, 737022), (1347, 491348), (1716, 385691), (1718, 385242), (1796, 368511), (2577, 256828), (2694, 245674), (3436, 192621), (4939, 134004), (5154, 128414), (5388, 122837), (5837, 113388), (9449, 70044), (9878, 67002), (10308, 64207), (11167, 59268), (11674, 56694), (14817, 44668), (17511, 37796), (18898, 35022), (19756, 33501), (22334, 29634), (23348, 28347)]