263804321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 298439232

約数和(自身を除く): 34634911

約数列:

[1, 11, 61, 103, 121, 347, 671, 1133, 3817, 6283, 7381, 12463, 21167, 35741, 41987, 69113, 232837, 393151, 760243, 2180201, 2561207, 4324661, 23982211, 263804321]

約数ペア:

[(1, 263804321), (11, 23982211), (61, 4324661), (103, 2561207), (121, 2180201), (347, 760243), (671, 393151), (1133, 232837), (3817, 69113), (6283, 41987), (7381, 35741), (12463, 21167)]