28652690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2579}}^1$

素因数の和:2698

約数の個数: 32

約数和(自身を含む): 56842560

約数和(自身を除く): 28189870

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 2579, 5158, 5555, 11110, 12895, 25790, 28369, 56738, 141845, 260479, 283690, 520958, 1302395, 2604790, 2865269, 5730538, 14326345, 28652690]

約数ペア:

[(1, 28652690), (2, 14326345), (5, 5730538), (10, 2865269), (11, 2604790), (22, 1302395), (55, 520958), (101, 283690), (110, 260479), (202, 141845), (505, 56738), (1010, 28369), (1111, 25790), (2222, 12895), (2579, 11110), (5158, 5555)]