219952612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{15971}}^1$

素因数の和:16299

約数の個数: 24

約数和(自身を含む): 421277472

約数和(自身を除く): 201324860

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 3443, 6886, 13772, 15971, 31942, 63884, 175681, 351362, 702724, 4998923, 9997846, 19995692, 54988153, 109976306, 219952612]

約数ペア:

[(1, 219952612), (2, 109976306), (4, 54988153), (11, 19995692), (22, 9997846), (44, 4998923), (313, 702724), (626, 351362), (1252, 175681), (3443, 63884), (6886, 31942), (13772, 15971)]