217872396

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{288191}}^1$

素因数の和:288211

約数の個数: 48

約数和(自身を含む): 645550080

約数和(自身を除く): 427677684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 288191, 576382, 864573, 1152764, 1729146, 2017337, 2593719, 3458292, 4034674, 5187438, 6052011, 7781157, 8069348, 10374876, 12104022, 15562314, 18156033, 24208044, 31124628, 36312066, 54468099, 72624132, 108936198, 217872396]

約数ペア:

[(1, 217872396), (2, 108936198), (3, 72624132), (4, 54468099), (6, 36312066), (7, 31124628), (9, 24208044), (12, 18156033), (14, 15562314), (18, 12104022), (21, 10374876), (27, 8069348), (28, 7781157), (36, 6052011), (42, 5187438), (54, 4034674), (63, 3458292), (84, 2593719), (108, 2017337), (126, 1729146), (189, 1152764), (252, 864573), (378, 576382), (756, 288191)]