221620952

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{15767}}^1$

素因数の和:16031

約数の個数: 32

約数和(自身を含む): 476824320

約数和(自身を除く): 255203368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 3514, 7028, 14056, 15767, 31534, 63068, 110369, 126136, 220738, 441476, 882952, 3957517, 7915034, 15830068, 27702619, 31660136, 55405238, 110810476, 221620952]

約数ペア:

[(1, 221620952), (2, 110810476), (4, 55405238), (7, 31660136), (8, 27702619), (14, 15830068), (28, 7915034), (56, 3957517), (251, 882952), (502, 441476), (1004, 220738), (1757, 126136), (2008, 110369), (3514, 63068), (7028, 31534), (14056, 15767)]