28721532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1033}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 76896512

約数和(自身を除く): 48174980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 662, 993, 1033, 1324, 1986, 2066, 2317, 3099, 3972, 4132, 4634, 6198, 6951, 7231, 9268, 12396, 13902, 14462, 21693, 27804, 28924, 43386, 86772, 341923, 683846, 1025769, 1367692, 2051538, 2393461, 4103076, 4786922, 7180383, 9573844, 14360766, 28721532]

約数ペア:

[(1, 28721532), (2, 14360766), (3, 9573844), (4, 7180383), (6, 4786922), (7, 4103076), (12, 2393461), (14, 2051538), (21, 1367692), (28, 1025769), (42, 683846), (84, 341923), (331, 86772), (662, 43386), (993, 28924), (1033, 27804), (1324, 21693), (1986, 14462), (2066, 13902), (2317, 12396), (3099, 9268), (3972, 7231), (4132, 6951), (4634, 6198)]