31905830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12611}}^1$

素因数の和:12652

約数の個数: 32

約数和(自身を含む): 65380608

約数和(自身を除く): 33474778

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12611, 25222, 63055, 126110, 138721, 277442, 290053, 580106, 693605, 1387210, 1450265, 2900530, 3190583, 6381166, 15952915, 31905830]

約数ペア:

[(1, 31905830), (2, 15952915), (5, 6381166), (10, 3190583), (11, 2900530), (22, 1450265), (23, 1387210), (46, 693605), (55, 580106), (110, 290053), (115, 277442), (230, 138721), (253, 126110), (506, 63055), (1265, 25222), (2530, 12611)]