257520302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1\times {\mathrm{4139}}^1$

素因数の和:6547

約数の個数: 16

約数和(自身を含む): 416268720

約数和(自身を除く): 158748418

約数列:

[1, 2, 13, 26, 2393, 4139, 4786, 8278, 31109, 53807, 62218, 107614, 9904627, 19809254, 128760151, 257520302]

約数ペア:

[(1, 257520302), (2, 128760151), (13, 19809254), (26, 9904627), (2393, 107614), (4139, 62218), (4786, 53807), (8278, 31109)]