28780507

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{659}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 34974720

約数和(自身を除く): 6194213

約数列:

[1, 7, 17, 119, 367, 659, 2569, 4613, 6239, 11203, 43673, 78421, 241853, 1692971, 4111501, 28780507]

約数ペア:

[(1, 28780507), (7, 4111501), (17, 1692971), (119, 241853), (367, 78421), (659, 43673), (2569, 11203), (4613, 6239)]