16935289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 20500480

約数和(自身を除く): 3565191

約数列:

[1, 7, 19, 133, 223, 571, 1561, 3997, 4237, 10849, 29659, 75943, 127333, 891331, 2419327, 16935289]

約数ペア:

[(1, 16935289), (7, 2419327), (19, 891331), (133, 127333), (223, 75943), (571, 29659), (1561, 10849), (3997, 4237)]