420888215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{757}}^1\times {\mathrm{919}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 556493280

約数和(自身を除く): 135605065

約数列:

[1, 5, 11, 55, 121, 605, 757, 919, 3785, 4595, 8327, 10109, 41635, 50545, 91597, 111199, 457985, 555995, 695683, 3478415, 7652513, 38262565, 84177643, 420888215]

約数ペア:

[(1, 420888215), (5, 84177643), (11, 38262565), (55, 7652513), (121, 3478415), (605, 695683), (757, 555995), (919, 457985), (3785, 111199), (4595, 91597), (8327, 50545), (10109, 41635)]