261026974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 431101440

約数和(自身を除く): 170074466

約数列:

[1, 2, 13, 26, 59, 118, 263, 526, 647, 767, 1294, 1534, 3419, 6838, 8411, 15517, 16822, 31034, 38173, 76346, 170161, 201721, 340322, 403442, 496249, 992498, 2212093, 4424186, 10039499, 20078998, 130513487, 261026974]

約数ペア:

[(1, 261026974), (2, 130513487), (13, 20078998), (26, 10039499), (59, 4424186), (118, 2212093), (263, 992498), (526, 496249), (647, 403442), (767, 340322), (1294, 201721), (1534, 170161), (3419, 76346), (6838, 38173), (8411, 31034), (15517, 16822)]