261198918

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{22709}}^1$

素因数の和:22794

約数の個数: 40

約数和(自身を含む): 593548560

約数和(自身を除く): 332349642

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 3834, 5751, 11502, 22709, 45418, 68127, 136254, 204381, 408762, 613143, 1226286, 1612339, 1839429, 3224678, 3678858, 4837017, 9674034, 14511051, 29022102, 43533153, 87066306, 130599459, 261198918]

約数ペア:

[(1, 261198918), (2, 130599459), (3, 87066306), (6, 43533153), (9, 29022102), (18, 14511051), (27, 9674034), (54, 4837017), (71, 3678858), (81, 3224678), (142, 1839429), (162, 1612339), (213, 1226286), (426, 613143), (639, 408762), (1278, 204381), (1917, 136254), (3834, 68127), (5751, 45418), (11502, 22709)]