90691678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 177647616

約数和(自身を除く): 86955938

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 154, 157, 217, 242, 314, 341, 434, 682, 847, 1099, 1331, 1694, 1727, 2198, 2387, 2662, 3454, 3751, 4774, 4867, 7502, 9317, 9734, 12089, 18634, 18997, 24178, 26257, 34069, 37994, 41261, 52514, 53537, 68138, 82522, 107074, 132979, 208967, 265958, 288827, 374759, 417934, 577654, 588907, 749518, 1177814, 1462769, 2925538, 4122349, 6477977, 8244698, 12955954, 45345839, 90691678]

約数ペア:

[(1, 90691678), (2, 45345839), (7, 12955954), (11, 8244698), (14, 6477977), (22, 4122349), (31, 2925538), (62, 1462769), (77, 1177814), (121, 749518), (154, 588907), (157, 577654), (217, 417934), (242, 374759), (314, 288827), (341, 265958), (434, 208967), (682, 132979), (847, 107074), (1099, 82522), (1331, 68138), (1694, 53537), (1727, 52514), (2198, 41261), (2387, 37994), (2662, 34069), (3454, 26257), (3751, 24178), (4774, 18997), (4867, 18634), (7502, 12089), (9317, 9734)]