255645455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 349743744

約数和(自身を除く): 94098289

約数列:

[1, 5, 13, 41, 47, 65, 157, 169, 205, 235, 533, 611, 785, 845, 1927, 2041, 2665, 3055, 6437, 6929, 7379, 7943, 9635, 10205, 25051, 26533, 32185, 34645, 36895, 39715, 83681, 95927, 125255, 132665, 302539, 325663, 418405, 479635, 1087853, 1247051, 1512695, 1628315, 3933007, 5439265, 6235255, 19665035, 51129091, 255645455]

約数ペア:

[(1, 255645455), (5, 51129091), (13, 19665035), (41, 6235255), (47, 5439265), (65, 3933007), (157, 1628315), (169, 1512695), (205, 1247051), (235, 1087853), (533, 479635), (611, 418405), (785, 325663), (845, 302539), (1927, 132665), (2041, 125255), (2665, 95927), (3055, 83681), (6437, 39715), (6929, 36895), (7379, 34645), (7943, 32185), (9635, 26533), (10205, 25051)]