1968141726

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1249}}^1$

素因数の和:1471

約数の個数: 80

約数和(自身を含む): 4508460000

約数和(自身を除く): 2540318274

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 137, 142, 162, 213, 274, 411, 426, 639, 822, 1233, 1249, 1278, 1917, 2466, 2498, 3699, 3747, 3834, 5751, 7398, 7494, 9727, 11097, 11241, 11502, 19454, 22194, 22482, 29181, 33723, 58362, 67446, 87543, 88679, 101169, 171113, 175086, 177358, 202338, 262629, 266037, 342226, 513339, 525258, 532074, 787887, 798111, 1026678, 1540017, 1575774, 1596222, 2394333, 3080034, 4620051, 4788666, 7182999, 9240102, 12149023, 13860153, 14365998, 24298046, 27720306, 36447069, 72894138, 109341207, 218682414, 328023621, 656047242, 984070863, 1968141726]

約数ペア:

[(1, 1968141726), (2, 984070863), (3, 656047242), (6, 328023621), (9, 218682414), (18, 109341207), (27, 72894138), (54, 36447069), (71, 27720306), (81, 24298046), (137, 14365998), (142, 13860153), (162, 12149023), (213, 9240102), (274, 7182999), (411, 4788666), (426, 4620051), (639, 3080034), (822, 2394333), (1233, 1596222), (1249, 1575774), (1278, 1540017), (1917, 1026678), (2466, 798111), (2498, 787887), (3699, 532074), (3747, 525258), (3834, 513339), (5751, 342226), (7398, 266037), (7494, 262629), (9727, 202338), (11097, 177358), (11241, 175086), (11502, 171113), (19454, 101169), (22194, 88679), (22482, 87543), (29181, 67446), (33723, 58362)]