161237999

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 182619360

約数和(自身を除く): 21381361

約数列:

[1, 13, 29, 167, 169, 197, 377, 2171, 2561, 4843, 4901, 5713, 28223, 32899, 33293, 62959, 74269, 427687, 818467, 954071, 965497, 5559931, 12402923, 161237999]

約数ペア:

[(1, 161237999), (13, 12402923), (29, 5559931), (167, 965497), (169, 954071), (197, 818467), (377, 427687), (2171, 74269), (2561, 62959), (4843, 33293), (4901, 32899), (5713, 28223)]