142877915

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{12983}}^1$

素因数の和:13090

約数の個数: 16

約数和(自身を含む): 179490816

約数和(自身を除く): 36612901

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 12983, 64915, 402473, 921793, 2012365, 4608965, 28575583, 142877915]

約数ペア:

[(1, 142877915), (5, 28575583), (31, 4608965), (71, 2012365), (155, 921793), (355, 402473), (2201, 64915), (11005, 12983)]