81887148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324949}}^1$

素因数の和:324966

約数の個数: 36

約数和(自身を含む): 236563600

約数和(自身を除く): 154676452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324949, 649898, 974847, 1299796, 1949694, 2274643, 2924541, 3899388, 4549286, 5849082, 6823929, 9098572, 11698164, 13647858, 20471787, 27295716, 40943574, 81887148]

約数ペア:

[(1, 81887148), (2, 40943574), (3, 27295716), (4, 20471787), (6, 13647858), (7, 11698164), (9, 9098572), (12, 6823929), (14, 5849082), (18, 4549286), (21, 3899388), (28, 2924541), (36, 2274643), (42, 1949694), (63, 1299796), (84, 974847), (126, 649898), (252, 324949)]