81977070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{390367}}^1$

素因数の和:390384

約数の個数: 32

約数和(自身を含む): 224851968

約数和(自身を除く): 142874898

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 390367, 780734, 1171101, 1951835, 2342202, 2732569, 3903670, 5465138, 5855505, 8197707, 11711010, 13662845, 16395414, 27325690, 40988535, 81977070]

約数ペア:

[(1, 81977070), (2, 40988535), (3, 27325690), (5, 16395414), (6, 13662845), (7, 11711010), (10, 8197707), (14, 5855505), (15, 5465138), (21, 3903670), (30, 2732569), (35, 2342202), (42, 1951835), (70, 1171101), (105, 780734), (210, 390367)]