2891285761

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 3928780800

約数和(自身を除く): 1037495039

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 223, 289, 377, 493, 1547, 1561, 2023, 2639, 2899, 3451, 3757, 3791, 4913, 6409, 6467, 8381, 20293, 26299, 26537, 34391, 44863, 45269, 49283, 58667, 63869, 64447, 84071, 108953, 109939, 142477, 344981, 447083, 451129, 588497, 762671, 769573, 837811, 997339, 1095599, 1429207, 1852201, 1868963, 5864677, 7669193, 10004449, 12965407, 13082741, 14242787, 24296519, 31772371, 99699509, 170075633, 222406597, 413040823, 2891285761]

約数ペア:

[(1, 2891285761), (7, 413040823), (13, 222406597), (17, 170075633), (29, 99699509), (91, 31772371), (119, 24296519), (203, 14242787), (221, 13082741), (223, 12965407), (289, 10004449), (377, 7669193), (493, 5864677), (1547, 1868963), (1561, 1852201), (2023, 1429207), (2639, 1095599), (2899, 997339), (3451, 837811), (3757, 769573), (3791, 762671), (4913, 588497), (6409, 451129), (6467, 447083), (8381, 344981), (20293, 142477), (26299, 109939), (26537, 108953), (34391, 84071), (44863, 64447), (45269, 63869), (49283, 58667)]