15521566564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{35537}}^1$

素因数の和:36388

約数の個数: 48

約数和(自身を含む): 32717704320

約数和(自身を除く): 17196137756

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 821, 1642, 3284, 5747, 11494, 15599, 22988, 31198, 35537, 62396, 71074, 109193, 142148, 218386, 248759, 436772, 497518, 675203, 995036, 1350406, 2700812, 4726421, 9452842, 18905684, 29175877, 58351754, 116703508, 204231139, 408462278, 554341663, 816924556, 1108683326, 2217366652, 3880391641, 7760783282, 15521566564]

約数ペア:

[(1, 15521566564), (2, 7760783282), (4, 3880391641), (7, 2217366652), (14, 1108683326), (19, 816924556), (28, 554341663), (38, 408462278), (76, 204231139), (133, 116703508), (266, 58351754), (532, 29175877), (821, 18905684), (1642, 9452842), (3284, 4726421), (5747, 2700812), (11494, 1350406), (15599, 995036), (22988, 675203), (31198, 497518), (35537, 436772), (62396, 248759), (71074, 218386), (109193, 142148)]