90405908

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{2053}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 161321160

約数和(自身を除く): 70915252

約数列:

[1, 2, 4, 101, 109, 202, 218, 404, 436, 2053, 4106, 8212, 11009, 22018, 44036, 207353, 223777, 414706, 447554, 829412, 895108, 22601477, 45202954, 90405908]

約数ペア:

[(1, 90405908), (2, 45202954), (4, 22601477), (101, 895108), (109, 829412), (202, 447554), (218, 414706), (404, 223777), (436, 207353), (2053, 44036), (4106, 22018), (8212, 11009)]