28667283

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 41395200

約数和(自身を除く): 12727917

約数列:

[1, 3, 29, 43, 79, 87, 97, 129, 237, 291, 1247, 2291, 2813, 3397, 3741, 4171, 6873, 7663, 8439, 10191, 12513, 22989, 98513, 120959, 222227, 295539, 329509, 362877, 666681, 988527, 9555761, 28667283]

約数ペア:

[(1, 28667283), (3, 9555761), (29, 988527), (43, 666681), (79, 362877), (87, 329509), (97, 295539), (129, 222227), (237, 120959), (291, 98513), (1247, 22989), (2291, 12513), (2813, 10191), (3397, 8439), (3741, 7663), (4171, 6873)]