81613616

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2539}}^1$

素因数の和:2602

約数の個数: 60

約数和(自身を含む): 188503560

約数和(自身を除く): 106889944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 98, 112, 164, 196, 287, 328, 392, 574, 656, 784, 1148, 2009, 2296, 2539, 4018, 4592, 5078, 8036, 10156, 16072, 17773, 20312, 32144, 35546, 40624, 71092, 104099, 124411, 142184, 208198, 248822, 284368, 416396, 497644, 728693, 832792, 995288, 1457386, 1665584, 1990576, 2914772, 5100851, 5829544, 10201702, 11659088, 20403404, 40806808, 81613616]

約数ペア:

[(1, 81613616), (2, 40806808), (4, 20403404), (7, 11659088), (8, 10201702), (14, 5829544), (16, 5100851), (28, 2914772), (41, 1990576), (49, 1665584), (56, 1457386), (82, 995288), (98, 832792), (112, 728693), (164, 497644), (196, 416396), (287, 284368), (328, 248822), (392, 208198), (574, 142184), (656, 124411), (784, 104099), (1148, 71092), (2009, 40624), (2296, 35546), (2539, 32144), (4018, 20312), (4592, 17773), (5078, 16072), (8036, 10156)]