642118841

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 867041280

約数和(自身を除く): 224922439

約数列:

[1, 7, 13, 29, 31, 47, 91, 167, 203, 217, 329, 377, 403, 611, 899, 1169, 1363, 1457, 2171, 2639, 2821, 4277, 4843, 5177, 6293, 7849, 9541, 10199, 11687, 15197, 17719, 18941, 33901, 36239, 42253, 54943, 62959, 67301, 81809, 102037, 124033, 132587, 150133, 227621, 243319, 295771, 440713, 471107, 549289, 714259, 1050931, 1593347, 1703233, 1951729, 2959073, 3163147, 3845023, 7056251, 13662103, 20713511, 22142029, 49393757, 91731263, 642118841]

約数ペア:

[(1, 642118841), (7, 91731263), (13, 49393757), (29, 22142029), (31, 20713511), (47, 13662103), (91, 7056251), (167, 3845023), (203, 3163147), (217, 2959073), (329, 1951729), (377, 1703233), (403, 1593347), (611, 1050931), (899, 714259), (1169, 549289), (1363, 471107), (1457, 440713), (2171, 295771), (2639, 243319), (2821, 227621), (4277, 150133), (4843, 132587), (5177, 124033), (6293, 102037), (7849, 81809), (9541, 67301), (10199, 62959), (11687, 54943), (15197, 42253), (17719, 36239), (18941, 33901)]