2019911725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{55001}}^1$

素因数の和:55137

約数の個数: 24

約数和(自身を含む): 2721278952

約数和(自身を除く): 701367227

約数列:

[1, 5, 13, 25, 65, 113, 325, 565, 1469, 2825, 7345, 36725, 55001, 275005, 715013, 1375025, 3575065, 6215113, 17875325, 31075565, 80796469, 155377825, 403982345, 2019911725]

約数ペア:

[(1, 2019911725), (5, 403982345), (13, 155377825), (25, 80796469), (65, 31075565), (113, 17875325), (325, 6215113), (565, 3575065), (1469, 1375025), (2825, 715013), (7345, 275005), (36725, 55001)]