28913507

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3821}}^1$

素因数の和:3898

約数の個数: 16

約数和(自身を含む): 35223552

約数和(自身を除く): 6310045

約数列:

[1, 7, 23, 47, 161, 329, 1081, 3821, 7567, 26747, 87883, 179587, 615181, 1257109, 4130501, 28913507]

約数ペア:

[(1, 28913507), (7, 4130501), (23, 1257109), (47, 615181), (161, 179587), (329, 87883), (1081, 26747), (3821, 7567)]