221318783

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1\times {\mathrm{1297}}^1$

素因数の和:2606

約数の個数: 16

約数和(自身を含む): 266661120

約数和(自身を除く): 45342337

約数列:

[1, 7, 19, 133, 1283, 1297, 8981, 9079, 24377, 24643, 170639, 172501, 1664051, 11648357, 31616969, 221318783]

約数ペア:

[(1, 221318783), (7, 31616969), (19, 11648357), (133, 1664051), (1283, 172501), (1297, 170639), (8981, 24643), (9079, 24377)]