212295545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2887}}^1$

素因数の和:3101

約数の個数: 32

約数和(自身を含む): 319389696

約数和(自身を除く): 107094151

約数列:

[1, 5, 7, 11, 35, 55, 77, 191, 385, 955, 1337, 2101, 2887, 6685, 10505, 14435, 14707, 20209, 31757, 73535, 101045, 158785, 222299, 551417, 1111495, 2757085, 3859919, 6065587, 19299595, 30327935, 42459109, 212295545]

約数ペア:

[(1, 212295545), (5, 42459109), (7, 30327935), (11, 19299595), (35, 6065587), (55, 3859919), (77, 2757085), (191, 1111495), (385, 551417), (955, 222299), (1337, 158785), (2101, 101045), (2887, 73535), (6685, 31757), (10505, 20209), (14435, 14707)]