255068205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 478752768

約数和(自身を除く): 223684563

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 107, 219, 311, 321, 365, 511, 535, 749, 933, 1095, 1533, 1555, 1605, 2177, 2247, 2555, 3745, 4665, 6531, 7665, 7811, 10885, 11235, 22703, 23433, 32655, 33277, 39055, 54677, 68109, 99831, 113515, 117165, 158921, 164031, 166385, 232939, 273385, 340545, 476763, 499155, 698817, 794605, 820155, 1164695, 2383815, 2429221, 3494085, 7287663, 12146105, 17004547, 36438315, 51013641, 85022735, 255068205]

約数ペア:

[(1, 255068205), (3, 85022735), (5, 51013641), (7, 36438315), (15, 17004547), (21, 12146105), (35, 7287663), (73, 3494085), (105, 2429221), (107, 2383815), (219, 1164695), (311, 820155), (321, 794605), (365, 698817), (511, 499155), (535, 476763), (749, 340545), (933, 273385), (1095, 232939), (1533, 166385), (1555, 164031), (1605, 158921), (2177, 117165), (2247, 113515), (2555, 99831), (3745, 68109), (4665, 54677), (6531, 39055), (7665, 33277), (7811, 32655), (10885, 23433), (11235, 22703)]