161728210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{11971}}^1$

素因数の和:12178

約数の個数: 32

約数和(自身を含む): 334449792

約数和(自身を除く): 172721582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1930, 2702, 6755, 11971, 13510, 23942, 59855, 83797, 119710, 167594, 418985, 837970, 2310403, 4620806, 11552015, 16172821, 23104030, 32345642, 80864105, 161728210]

約数ペア:

[(1, 161728210), (2, 80864105), (5, 32345642), (7, 23104030), (10, 16172821), (14, 11552015), (35, 4620806), (70, 2310403), (193, 837970), (386, 418985), (965, 167594), (1351, 119710), (1930, 83797), (2702, 59855), (6755, 23942), (11971, 13510)]