219902995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109133}}^1$

素因数の和:109182

約数の個数: 16

約数和(自身を含む): 293352192

約数和(自身を除く): 73449197

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 109133, 545665, 1418729, 3383123, 7093645, 16915615, 43980599, 219902995]

約数ペア:

[(1, 219902995), (5, 43980599), (13, 16915615), (31, 7093645), (65, 3383123), (155, 1418729), (403, 545665), (2015, 109133)]