81618712

素因数分解:

$2^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3529}}^1$

素因数の和:3608

約数の個数: 48

約数和(自身を含む): 181089000

約数和(自身を除く): 99470288

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 59, 98, 118, 196, 236, 392, 413, 472, 826, 1652, 2891, 3304, 3529, 5782, 7058, 11564, 14116, 23128, 24703, 28232, 49406, 98812, 172921, 197624, 208211, 345842, 416422, 691684, 832844, 1383368, 1457477, 1665688, 2914954, 5829908, 10202339, 11659816, 20404678, 40809356, 81618712]

約数ペア:

[(1, 81618712), (2, 40809356), (4, 20404678), (7, 11659816), (8, 10202339), (14, 5829908), (28, 2914954), (49, 1665688), (56, 1457477), (59, 1383368), (98, 832844), (118, 691684), (196, 416422), (236, 345842), (392, 208211), (413, 197624), (472, 172921), (826, 98812), (1652, 49406), (2891, 28232), (3304, 24703), (3529, 23128), (5782, 14116), (7058, 11564)]