247877252

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 504336000

約数和(自身を除く): 256458748

約数列:

[1, 2, 4, 7, 14, 28, 113, 157, 226, 314, 452, 499, 628, 791, 998, 1099, 1582, 1996, 2198, 3164, 3493, 4396, 6986, 13972, 17741, 35482, 56387, 70964, 78343, 112774, 124187, 156686, 225548, 248374, 313372, 394709, 496748, 548401, 789418, 1096802, 1578836, 2193604, 8852759, 17705518, 35411036, 61969313, 123938626, 247877252]

約数ペア:

[(1, 247877252), (2, 123938626), (4, 61969313), (7, 35411036), (14, 17705518), (28, 8852759), (113, 2193604), (157, 1578836), (226, 1096802), (314, 789418), (452, 548401), (499, 496748), (628, 394709), (791, 313372), (998, 248374), (1099, 225548), (1582, 156686), (1996, 124187), (2198, 112774), (3164, 78343), (3493, 70964), (4396, 56387), (6986, 35482), (13972, 17741)]