12991356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1711

約数の個数: 72

約数和(自身を含む): 38764544

約数和(自身を除く): 25773188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1663, 1953, 2604, 3326, 3906, 4989, 6652, 7812, 9978, 11641, 14967, 19956, 23282, 29934, 34923, 46564, 51553, 59868, 69846, 103106, 104769, 139692, 154659, 206212, 209538, 309318, 360871, 419076, 463977, 618636, 721742, 927954, 1082613, 1443484, 1855908, 2165226, 3247839, 4330452, 6495678, 12991356]

約数ペア:

[(1, 12991356), (2, 6495678), (3, 4330452), (4, 3247839), (6, 2165226), (7, 1855908), (9, 1443484), (12, 1082613), (14, 927954), (18, 721742), (21, 618636), (28, 463977), (31, 419076), (36, 360871), (42, 309318), (62, 209538), (63, 206212), (84, 154659), (93, 139692), (124, 104769), (126, 103106), (186, 69846), (217, 59868), (252, 51553), (279, 46564), (372, 34923), (434, 29934), (558, 23282), (651, 19956), (868, 14967), (1116, 11641), (1302, 9978), (1663, 7812), (1953, 6652), (2604, 4989), (3326, 3906)]