258860308

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401957}}^1$

素因数の和:401991

約数の個数: 24

約数和(自身を含む): 540231552

約数和(自身を除く): 281371244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 401957, 803914, 1607828, 2813699, 5627398, 9245011, 11254796, 18490022, 36980044, 64715077, 129430154, 258860308]

約数ペア:

[(1, 258860308), (2, 129430154), (4, 64715077), (7, 36980044), (14, 18490022), (23, 11254796), (28, 9245011), (46, 5627398), (92, 2813699), (161, 1607828), (322, 803914), (644, 401957)]