202945990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1561123}}^1$

素因数の和:1561143

約数の個数: 16

約数和(自身を含む): 393403248

約数和(自身を除く): 190457258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1561123, 3122246, 7805615, 15611230, 20294599, 40589198, 101472995, 202945990]

約数ペア:

[(1, 202945990), (2, 101472995), (5, 40589198), (10, 20294599), (13, 15611230), (26, 7805615), (65, 3122246), (130, 1561123)]