668462015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9029}}^1$

素因数の和:9131

約数の個数: 32

約数和(自身を含む): 928428480

約数和(自身を除く): 259966465

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 335, 871, 1105, 1139, 4355, 5695, 9029, 14807, 45145, 74035, 117377, 153493, 586885, 604943, 767465, 1995409, 3024715, 7864259, 9977045, 10284031, 39321295, 51420155, 133692403, 668462015]

約数ペア:

[(1, 668462015), (5, 133692403), (13, 51420155), (17, 39321295), (65, 10284031), (67, 9977045), (85, 7864259), (221, 3024715), (335, 1995409), (871, 767465), (1105, 604943), (1139, 586885), (4355, 153493), (5695, 117377), (9029, 74035), (14807, 45145)]