221649544

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{269}}^1\times {\mathrm{811}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 420940800

約数和(自身を除く): 199291256

約数列:

[1, 2, 4, 8, 127, 254, 269, 508, 538, 811, 1016, 1076, 1622, 2152, 3244, 6488, 34163, 68326, 102997, 136652, 205994, 218159, 273304, 411988, 436318, 823976, 872636, 1745272, 27706193, 55412386, 110824772, 221649544]

約数ペア:

[(1, 221649544), (2, 110824772), (4, 55412386), (8, 27706193), (127, 1745272), (254, 872636), (269, 823976), (508, 436318), (538, 411988), (811, 273304), (1016, 218159), (1076, 205994), (1622, 136652), (2152, 102997), (3244, 68326), (6488, 34163)]