406998215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1\times {\mathrm{3911}}^1$

素因数の和:5530

約数の個数: 16

約数和(自身を含む): 526430016

約数和(自身を除く): 119431801

約数列:

[1, 5, 13, 65, 1601, 3911, 8005, 19555, 20813, 50843, 104065, 254215, 6261511, 31307555, 81399643, 406998215]

約数ペア:

[(1, 406998215), (5, 81399643), (13, 31307555), (65, 6261511), (1601, 254215), (3911, 104065), (8005, 50843), (19555, 20813)]