2018579829

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 3284582400

約数和(自身を除く): 1266002571

約数列:

[1, 3, 7, 21, 29, 47, 87, 109, 141, 203, 327, 329, 609, 647, 763, 987, 1363, 1941, 2289, 3161, 4089, 4529, 5123, 9483, 9541, 13587, 15369, 18763, 22127, 28623, 30409, 35861, 56289, 66381, 70523, 91227, 107583, 131341, 148567, 211569, 212863, 394023, 445701, 493661, 638589, 881861, 1039969, 1480983, 2045167, 2645583, 3119907, 3314581, 6135501, 6173027, 9943743, 14316169, 18519081, 23202067, 42948507, 69606201, 96122849, 288368547, 672859943, 2018579829]

約数ペア:

[(1, 2018579829), (3, 672859943), (7, 288368547), (21, 96122849), (29, 69606201), (47, 42948507), (87, 23202067), (109, 18519081), (141, 14316169), (203, 9943743), (327, 6173027), (329, 6135501), (609, 3314581), (647, 3119907), (763, 2645583), (987, 2045167), (1363, 1480983), (1941, 1039969), (2289, 881861), (3161, 638589), (4089, 493661), (4529, 445701), (5123, 394023), (9483, 212863), (9541, 211569), (13587, 148567), (15369, 131341), (18763, 107583), (22127, 91227), (28623, 70523), (30409, 66381), (35861, 56289)]