81617508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323879}}^1$

素因数の和:323896

約数の個数: 36

約数和(自身を含む): 235784640

約数和(自身を除く): 154167132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323879, 647758, 971637, 1295516, 1943274, 2267153, 2914911, 3886548, 4534306, 5829822, 6801459, 9068612, 11659644, 13602918, 20404377, 27205836, 40808754, 81617508]

約数ペア:

[(1, 81617508), (2, 40808754), (3, 27205836), (4, 20404377), (6, 13602918), (7, 11659644), (9, 9068612), (12, 6801459), (14, 5829822), (18, 4534306), (21, 3886548), (28, 2914911), (36, 2267153), (42, 1943274), (63, 1295516), (84, 971637), (126, 647758), (252, 323879)]