1261493618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 2395201536

約数和(自身を除く): 1133707918

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 167, 181, 271, 334, 362, 542, 1169, 1267, 1837, 1897, 1991, 2338, 2534, 2981, 3674, 3794, 3982, 5962, 12859, 13937, 20867, 25718, 27874, 30227, 41734, 45257, 49051, 60454, 90514, 98102, 211589, 316799, 332497, 343357, 423178, 497827, 539561, 633598, 664994, 686714, 995654, 1079122, 2327479, 3484789, 3776927, 4654958, 6969578, 7553854, 8191517, 16383034, 57340619, 90106687, 114681238, 180213374, 630746809, 1261493618]

約数ペア:

[(1, 1261493618), (2, 630746809), (7, 180213374), (11, 114681238), (14, 90106687), (22, 57340619), (77, 16383034), (154, 8191517), (167, 7553854), (181, 6969578), (271, 4654958), (334, 3776927), (362, 3484789), (542, 2327479), (1169, 1079122), (1267, 995654), (1837, 686714), (1897, 664994), (1991, 633598), (2338, 539561), (2534, 497827), (2981, 423178), (3674, 343357), (3794, 332497), (3982, 316799), (5962, 211589), (12859, 98102), (13937, 90514), (20867, 60454), (25718, 49051), (27874, 45257), (30227, 41734)]