490389055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{443791}}^1$

素因数の和:443826

約数の個数: 16

約数和(自身を含む): 671013504

約数和(自身を除く): 180624449

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 443791, 2218955, 5769283, 7544447, 28846415, 37722235, 98077811, 490389055]

約数ペア:

[(1, 490389055), (5, 98077811), (13, 37722235), (17, 28846415), (65, 7544447), (85, 5769283), (221, 2218955), (1105, 443791)]