1287128185

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{11503}}^1$

素因数の和:11677

約数の個数: 32

約数和(自身を含む): 1855365120

約数和(自身を除く): 568236935

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 695, 805, 973, 3197, 4865, 11503, 15985, 22379, 57515, 80521, 111895, 264569, 402605, 1322845, 1598917, 1851983, 7994585, 9259915, 11192419, 36775091, 55962095, 183875455, 257425637, 1287128185]

約数ペア:

[(1, 1287128185), (5, 257425637), (7, 183875455), (23, 55962095), (35, 36775091), (115, 11192419), (139, 9259915), (161, 7994585), (695, 1851983), (805, 1598917), (973, 1322845), (3197, 402605), (4865, 264569), (11503, 111895), (15985, 80521), (22379, 57515)]