261099856

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{16981}}^1$

素因数の和:17051

約数の個数: 30

約数和(自身を含む): 522756906

約数和(自身を除く): 261657050

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1922, 3844, 7688, 15376, 16981, 33962, 67924, 135848, 271696, 526411, 1052822, 2105644, 4211288, 8422576, 16318741, 32637482, 65274964, 130549928, 261099856]

約数ペア:

[(1, 261099856), (2, 130549928), (4, 65274964), (8, 32637482), (16, 16318741), (31, 8422576), (62, 4211288), (124, 2105644), (248, 1052822), (496, 526411), (961, 271696), (1922, 135848), (3844, 67924), (7688, 33962), (15376, 16981)]