20161331302

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{69877}}^1$

素因数の和:70480

約数の個数: 32

約数和(自身を含む): 35560634688

約数和(自身を除く): 15399303386

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 557, 1114, 3899, 7798, 20609, 41218, 69877, 139754, 144263, 288526, 489139, 978278, 2585449, 5170898, 18098143, 36196286, 38921489, 77842978, 272450423, 544900846, 1440095093, 2880190186, 10080665651, 20161331302]

約数ペア:

[(1, 20161331302), (2, 10080665651), (7, 2880190186), (14, 1440095093), (37, 544900846), (74, 272450423), (259, 77842978), (518, 38921489), (557, 36196286), (1114, 18098143), (3899, 5170898), (7798, 2585449), (20609, 978278), (41218, 489139), (69877, 288526), (139754, 144263)]