291258242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{20981}}^1$

素因数の和:21625

約数の個数: 16

約数和(自身を含む): 477382464

約数和(自身を除く): 186124222

約数列:

[1, 2, 11, 22, 631, 1262, 6941, 13882, 20981, 41962, 230791, 461582, 13239011, 26478022, 145629121, 291258242]

約数ペア:

[(1, 291258242), (2, 145629121), (11, 26478022), (22, 13239011), (631, 461582), (1262, 230791), (6941, 41962), (13882, 20981)]