31157126

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 32709754

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 79, 91, 143, 154, 158, 182, 197, 286, 394, 553, 869, 1001, 1027, 1106, 1379, 1738, 2002, 2054, 2167, 2561, 2758, 4334, 5122, 6083, 7189, 11297, 12166, 14378, 15169, 15563, 17927, 22594, 28171, 30338, 31126, 35854, 56342, 79079, 108941, 158158, 171193, 197197, 202319, 217882, 342386, 394394, 404638, 1198351, 1416233, 2225509, 2396702, 2832466, 4451018, 15578563, 31157126]

約数ペア:

[(1, 31157126), (2, 15578563), (7, 4451018), (11, 2832466), (13, 2396702), (14, 2225509), (22, 1416233), (26, 1198351), (77, 404638), (79, 394394), (91, 342386), (143, 217882), (154, 202319), (158, 197197), (182, 171193), (197, 158158), (286, 108941), (394, 79079), (553, 56342), (869, 35854), (1001, 31126), (1027, 30338), (1106, 28171), (1379, 22594), (1738, 17927), (2002, 15563), (2054, 15169), (2167, 14378), (2561, 12166), (2758, 11297), (4334, 7189), (5122, 6083)]