260909957

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 354312000

約数和(自身を除く): 93402043

約数列:

[1, 7, 11, 19, 49, 73, 77, 133, 209, 349, 511, 539, 803, 931, 1387, 1463, 2443, 3577, 3839, 5621, 6631, 9709, 10241, 15257, 17101, 25477, 26873, 39347, 46417, 67963, 72941, 106799, 178339, 188111, 280247, 324919, 484063, 510587, 747593, 1248373, 1961729, 3388441, 3574109, 5324693, 13732103, 23719087, 37272851, 260909957]

約数ペア:

[(1, 260909957), (7, 37272851), (11, 23719087), (19, 13732103), (49, 5324693), (73, 3574109), (77, 3388441), (133, 1961729), (209, 1248373), (349, 747593), (511, 510587), (539, 484063), (803, 324919), (931, 280247), (1387, 188111), (1463, 178339), (2443, 106799), (3577, 72941), (3839, 67963), (5621, 46417), (6631, 39347), (9709, 26873), (10241, 25477), (15257, 17101)]