28109844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 81693248

約数和(自身を除く): 53583404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 331, 337, 662, 674, 993, 1011, 1324, 1348, 1986, 2022, 2317, 2359, 2979, 3033, 3972, 4044, 4634, 4718, 5958, 6066, 6951, 7077, 9268, 9436, 11916, 12132, 13902, 14154, 20853, 21231, 27804, 28308, 41706, 42462, 83412, 84924, 111547, 223094, 334641, 446188, 669282, 780829, 1003923, 1338564, 1561658, 2007846, 2342487, 3123316, 4015692, 4684974, 7027461, 9369948, 14054922, 28109844]

約数ペア:

[(1, 28109844), (2, 14054922), (3, 9369948), (4, 7027461), (6, 4684974), (7, 4015692), (9, 3123316), (12, 2342487), (14, 2007846), (18, 1561658), (21, 1338564), (28, 1003923), (36, 780829), (42, 669282), (63, 446188), (84, 334641), (126, 223094), (252, 111547), (331, 84924), (337, 83412), (662, 42462), (674, 41706), (993, 28308), (1011, 27804), (1324, 21231), (1348, 20853), (1986, 14154), (2022, 13902), (2317, 12132), (2359, 11916), (2979, 9436), (3033, 9268), (3972, 7077), (4044, 6951), (4634, 6066), (4718, 5958)]