9915070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3919}}^1$

素因数の和:3960

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 10406210

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 3919, 7838, 19595, 39190, 43109, 86218, 90137, 180274, 215545, 431090, 450685, 901370, 991507, 1983014, 4957535, 9915070]

約数ペア:

[(1, 9915070), (2, 4957535), (5, 1983014), (10, 991507), (11, 901370), (22, 450685), (23, 431090), (46, 215545), (55, 180274), (110, 90137), (115, 86218), (230, 43109), (253, 39190), (506, 19595), (1265, 7838), (2530, 3919)]