639574265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1753

約数の個数: 32

約数和(自身を含む): 869823360

約数和(自身を除く): 230249095

約数列:

[1, 5, 11, 29, 55, 145, 281, 319, 1405, 1427, 1595, 3091, 7135, 8149, 15455, 15697, 40745, 41383, 78485, 89639, 206915, 400987, 448195, 455213, 2004935, 2276065, 4410857, 11628623, 22054285, 58143115, 127914853, 639574265]

約数ペア:

[(1, 639574265), (5, 127914853), (11, 58143115), (29, 22054285), (55, 11628623), (145, 4410857), (281, 2276065), (319, 2004935), (1405, 455213), (1427, 448195), (1595, 400987), (3091, 206915), (7135, 89639), (8149, 78485), (15455, 41383), (15697, 40745)]