82989396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{647}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 240589440

約数和(自身を除く): 157600044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509, 647, 1018, 1294, 1527, 1941, 2036, 2588, 3054, 3563, 3882, 4529, 4581, 5823, 6108, 7126, 7764, 9058, 9162, 10689, 11646, 13587, 14252, 18116, 18324, 21378, 23292, 27174, 32067, 40761, 42756, 54348, 64134, 81522, 128268, 163044, 329323, 658646, 987969, 1317292, 1975938, 2305261, 2963907, 3951876, 4610522, 5927814, 6915783, 9221044, 11855628, 13831566, 20747349, 27663132, 41494698, 82989396]

約数ペア:

[(1, 82989396), (2, 41494698), (3, 27663132), (4, 20747349), (6, 13831566), (7, 11855628), (9, 9221044), (12, 6915783), (14, 5927814), (18, 4610522), (21, 3951876), (28, 2963907), (36, 2305261), (42, 1975938), (63, 1317292), (84, 987969), (126, 658646), (252, 329323), (509, 163044), (647, 128268), (1018, 81522), (1294, 64134), (1527, 54348), (1941, 42756), (2036, 40761), (2588, 32067), (3054, 27174), (3563, 23292), (3882, 21378), (4529, 18324), (4581, 18116), (5823, 14252), (6108, 13587), (7126, 11646), (7764, 10689), (9058, 9162)]