81505214

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{24359}}^1$

素因数の和:24607

約数の個数: 16

約数和(自身を含む): 140313600

約数和(自身を除く): 58808386

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 24359, 48718, 170513, 341026, 5821801, 11643602, 40752607, 81505214]

約数ペア:

[(1, 81505214), (2, 40752607), (7, 11643602), (14, 5821801), (239, 341026), (478, 170513), (1673, 48718), (3346, 24359)]