80427578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1059

約数の個数: 64

約数和(自身を含む): 164560896

約数和(自身を除く): 84133318

約数列:

[1, 2, 7, 11, 14, 17, 22, 31, 34, 62, 77, 119, 154, 187, 217, 238, 341, 374, 434, 527, 682, 991, 1054, 1309, 1982, 2387, 2618, 3689, 4774, 5797, 6937, 7378, 10901, 11594, 13874, 16847, 21802, 30721, 33694, 40579, 61442, 76307, 81158, 117929, 152614, 185317, 215047, 235858, 337931, 370634, 430094, 522257, 675862, 1044514, 1297219, 2365517, 2594438, 3655799, 4731034, 5744827, 7311598, 11489654, 40213789, 80427578]

約数ペア:

[(1, 80427578), (2, 40213789), (7, 11489654), (11, 7311598), (14, 5744827), (17, 4731034), (22, 3655799), (31, 2594438), (34, 2365517), (62, 1297219), (77, 1044514), (119, 675862), (154, 522257), (187, 430094), (217, 370634), (238, 337931), (341, 235858), (374, 215047), (434, 185317), (527, 152614), (682, 117929), (991, 81158), (1054, 76307), (1309, 61442), (1982, 40579), (2387, 33694), (2618, 30721), (3689, 21802), (4774, 16847), (5797, 13874), (6937, 11594), (7378, 10901)]