161342545

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 244762560

約数和(自身を除く): 83420015

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 179, 245, 283, 455, 637, 895, 1253, 1415, 1981, 2327, 3185, 3679, 6265, 8771, 9905, 11635, 13867, 16289, 18395, 25753, 43855, 50657, 69335, 81445, 114023, 128765, 180271, 253285, 354599, 570115, 658541, 901355, 1772995, 2482193, 3292705, 4609787, 12410965, 23048935, 32268509, 161342545]

約数ペア:

[(1, 161342545), (5, 32268509), (7, 23048935), (13, 12410965), (35, 4609787), (49, 3292705), (65, 2482193), (91, 1772995), (179, 901355), (245, 658541), (283, 570115), (455, 354599), (637, 253285), (895, 180271), (1253, 128765), (1415, 114023), (1981, 81445), (2327, 69335), (3185, 50657), (3679, 43855), (6265, 25753), (8771, 18395), (9905, 16289), (11635, 13867)]