71313221

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2999}}^1$

素因数の和:3128

約数の個数: 16

約数和(自身を含む): 84480000

約数和(自身を除く): 13166779

約数列:

[1, 7, 43, 79, 301, 553, 2999, 3397, 20993, 23779, 128957, 236921, 902699, 1658447, 10187603, 71313221]

約数ペア:

[(1, 71313221), (7, 10187603), (43, 1658447), (79, 902699), (301, 236921), (553, 128957), (2999, 23779), (3397, 20993)]