81678872

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4488

約数の個数: 48

約数和(自身を含む): 177235800

約数和(自身を除く): 95556928

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1672, 2299, 4441, 4598, 8882, 9196, 17764, 18392, 35528, 48851, 84379, 97702, 168758, 195404, 337516, 390808, 537361, 675032, 928169, 1074722, 1856338, 2149444, 3712676, 4298888, 7425352, 10209859, 20419718, 40839436, 81678872]

約数ペア:

[(1, 81678872), (2, 40839436), (4, 20419718), (8, 10209859), (11, 7425352), (19, 4298888), (22, 3712676), (38, 2149444), (44, 1856338), (76, 1074722), (88, 928169), (121, 675032), (152, 537361), (209, 390808), (242, 337516), (418, 195404), (484, 168758), (836, 97702), (968, 84379), (1672, 48851), (2299, 35528), (4441, 18392), (4598, 17764), (8882, 9196)]