261218088

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{17033}}^1$

素因数の和:17119

約数の個数: 64

約数和(自身を含む): 735868800

約数和(自身を除く): 474650712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 5112, 7668, 15336, 17033, 34066, 51099, 68132, 102198, 136264, 153297, 204396, 306594, 408792, 459891, 613188, 919782, 1209343, 1226376, 1839564, 2418686, 3628029, 3679128, 4837372, 7256058, 9674744, 10884087, 14512116, 21768174, 29024232, 32652261, 43536348, 65304522, 87072696, 130609044, 261218088]

約数ペア:

[(1, 261218088), (2, 130609044), (3, 87072696), (4, 65304522), (6, 43536348), (8, 32652261), (9, 29024232), (12, 21768174), (18, 14512116), (24, 10884087), (27, 9674744), (36, 7256058), (54, 4837372), (71, 3679128), (72, 3628029), (108, 2418686), (142, 1839564), (213, 1226376), (216, 1209343), (284, 919782), (426, 613188), (568, 459891), (639, 408792), (852, 306594), (1278, 204396), (1704, 153297), (1917, 136264), (2556, 102198), (3834, 68132), (5112, 51099), (7668, 34066), (15336, 17033)]