128640876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16829}}^1$

素因数の和:16863

約数の個数: 72

約数和(自身を含む): 376049520

約数和(自身を除く): 247408644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 16829, 33658, 50487, 67316, 100974, 117803, 201948, 218777, 235606, 353409, 437554, 471212, 656331, 706818, 824621, 875108, 1312662, 1413636, 1531439, 1649242, 2473863, 2625324, 3062878, 3298484, 4594317, 4947726, 6125756, 9188634, 9895452, 10720073, 18377268, 21440146, 32160219, 42880292, 64320438, 128640876]

約数ペア:

[(1, 128640876), (2, 64320438), (3, 42880292), (4, 32160219), (6, 21440146), (7, 18377268), (12, 10720073), (13, 9895452), (14, 9188634), (21, 6125756), (26, 4947726), (28, 4594317), (39, 3298484), (42, 3062878), (49, 2625324), (52, 2473863), (78, 1649242), (84, 1531439), (91, 1413636), (98, 1312662), (147, 875108), (156, 824621), (182, 706818), (196, 656331), (273, 471212), (294, 437554), (364, 353409), (546, 235606), (588, 218777), (637, 201948), (1092, 117803), (1274, 100974), (1911, 67316), (2548, 50487), (3822, 33658), (7644, 16829)]