255720426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6221}}^1$

素因数の和:6287

約数の個数: 64

約数和(自身を含む): 602090496

約数和(自身を除く): 346370070

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 527, 663, 806, 1054, 1209, 1326, 1581, 2418, 3162, 6221, 6851, 12442, 13702, 18663, 20553, 37326, 41106, 80873, 105757, 161746, 192851, 211514, 242619, 317271, 385702, 485238, 578553, 634542, 1157106, 1374841, 2507063, 2749682, 3278467, 4124523, 5014126, 6556934, 7521189, 8249046, 9835401, 15042378, 19670802, 42620071, 85240142, 127860213, 255720426]

約数ペア:

[(1, 255720426), (2, 127860213), (3, 85240142), (6, 42620071), (13, 19670802), (17, 15042378), (26, 9835401), (31, 8249046), (34, 7521189), (39, 6556934), (51, 5014126), (62, 4124523), (78, 3278467), (93, 2749682), (102, 2507063), (186, 1374841), (221, 1157106), (403, 634542), (442, 578553), (527, 485238), (663, 385702), (806, 317271), (1054, 242619), (1209, 211514), (1326, 192851), (1581, 161746), (2418, 105757), (3162, 80873), (6221, 41106), (6851, 37326), (12442, 20553), (13702, 18663)]