215254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:519

約数の個数: 16

約数和(自身を含む): 368928

約数和(自身を除く): 153674

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 487, 974, 6331, 8279, 12662, 16558, 107627, 215254]

約数ペア:

[(1, 215254), (2, 107627), (13, 16558), (17, 12662), (26, 8279), (34, 6331), (221, 974), (442, 487)]