81145736

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39163}}^1$

素因数の和:39213

約数の個数: 32

約数和(自身を含む): 178587840

約数和(自身を除く): 97442104

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39163, 78326, 156652, 274141, 313304, 548282, 1096564, 1449031, 2193128, 2898062, 5796124, 10143217, 11592248, 20286434, 40572868, 81145736]

約数ペア:

[(1, 81145736), (2, 40572868), (4, 20286434), (7, 11592248), (8, 10143217), (14, 5796124), (28, 2898062), (37, 2193128), (56, 1449031), (74, 1096564), (148, 548282), (259, 313304), (296, 274141), (518, 156652), (1036, 78326), (2072, 39163)]