11720898

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 30063852

約数和(自身を除く): 18342954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 97, 98, 126, 137, 147, 194, 274, 291, 294, 411, 441, 582, 679, 822, 873, 882, 959, 1233, 1358, 1746, 1918, 2037, 2466, 2877, 4074, 4753, 5754, 6111, 6713, 8631, 9506, 12222, 13289, 13426, 14259, 17262, 20139, 26578, 28518, 39867, 40278, 42777, 60417, 79734, 85554, 93023, 119601, 120834, 186046, 239202, 279069, 558138, 651161, 837207, 1302322, 1674414, 1953483, 3906966, 5860449, 11720898]

約数ペア:

[(1, 11720898), (2, 5860449), (3, 3906966), (6, 1953483), (7, 1674414), (9, 1302322), (14, 837207), (18, 651161), (21, 558138), (42, 279069), (49, 239202), (63, 186046), (97, 120834), (98, 119601), (126, 93023), (137, 85554), (147, 79734), (194, 60417), (274, 42777), (291, 40278), (294, 39867), (411, 28518), (441, 26578), (582, 20139), (679, 17262), (822, 14259), (873, 13426), (882, 13289), (959, 12222), (1233, 9506), (1358, 8631), (1746, 6713), (1918, 6111), (2037, 5754), (2466, 4753), (2877, 4074)]