281234525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 414431808

約数和(自身を除く): 133197283

約数列:

[1, 5, 11, 13, 25, 55, 65, 97, 143, 275, 325, 485, 715, 811, 1067, 1261, 2425, 3575, 4055, 5335, 6305, 8921, 10543, 13871, 20275, 26675, 31525, 44605, 52715, 69355, 78667, 115973, 223025, 263575, 346775, 393335, 579865, 865337, 1022671, 1966675, 2899325, 4326685, 5113355, 11249381, 21633425, 25566775, 56246905, 281234525]

約数ペア:

[(1, 281234525), (5, 56246905), (11, 25566775), (13, 21633425), (25, 11249381), (55, 5113355), (65, 4326685), (97, 2899325), (143, 1966675), (275, 1022671), (325, 865337), (485, 579865), (715, 393335), (811, 346775), (1067, 263575), (1261, 223025), (2425, 115973), (3575, 78667), (4055, 69355), (5335, 52715), (6305, 44605), (8921, 31525), (10543, 26675), (13871, 20275)]