72220828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 142115904

約数和(自身を除く): 69895076

約数列:

[1, 2, 4, 17, 23, 34, 46, 61, 68, 92, 122, 244, 391, 757, 782, 1037, 1403, 1514, 1564, 2074, 2806, 3028, 4148, 5612, 12869, 17411, 23851, 25738, 34822, 46177, 47702, 51476, 69644, 92354, 95404, 184708, 295987, 591974, 785009, 1062071, 1183948, 1570018, 2124142, 3140036, 4248284, 18055207, 36110414, 72220828]

約数ペア:

[(1, 72220828), (2, 36110414), (4, 18055207), (17, 4248284), (23, 3140036), (34, 2124142), (46, 1570018), (61, 1183948), (68, 1062071), (92, 785009), (122, 591974), (244, 295987), (391, 184708), (757, 95404), (782, 92354), (1037, 69644), (1403, 51476), (1514, 47702), (1564, 46177), (2074, 34822), (2806, 25738), (3028, 23851), (4148, 17411), (5612, 12869)]