1247383735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8719}}^1$

素因数の和:8839

約数の個数: 32

約数和(自身を含む): 1687633920

約数和(自身を除く): 440250185

約数列:

[1, 5, 13, 31, 65, 71, 155, 355, 403, 923, 2015, 2201, 4615, 8719, 11005, 28613, 43595, 113347, 143065, 270289, 566735, 619049, 1351445, 3095245, 3513757, 8047637, 17568785, 19190519, 40238185, 95952595, 249476747, 1247383735]

約数ペア:

[(1, 1247383735), (5, 249476747), (13, 95952595), (31, 40238185), (65, 19190519), (71, 17568785), (155, 8047637), (355, 3513757), (403, 3095245), (923, 1351445), (2015, 619049), (2201, 566735), (4615, 270289), (8719, 143065), (11005, 113347), (28613, 43595)]