1640691857

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{16603}}^1$

素因数の和:17372

約数の個数: 16

約数和(自身を含む): 1976540160

約数和(自身を除く): 335848303

約数列:

[1, 7, 19, 133, 743, 5201, 14117, 16603, 98819, 116221, 315457, 2208199, 12336029, 86352203, 234384551, 1640691857]

約数ペア:

[(1, 1640691857), (7, 234384551), (19, 86352203), (133, 12336029), (743, 2208199), (5201, 315457), (14117, 116221), (16603, 98819)]