261223205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{11161}}^1$

素因数の和:11348

約数の個数: 16

約数和(自身を含む): 325751808

約数和(自身を除く): 64528603

約数列:

[1, 5, 31, 151, 155, 755, 4681, 11161, 23405, 55805, 345991, 1685311, 1729955, 8426555, 52244641, 261223205]

約数ペア:

[(1, 261223205), (5, 52244641), (31, 8426555), (151, 1729955), (155, 1685311), (755, 345991), (4681, 55805), (11161, 23405)]