221606442

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{8713}}^1$

素因数の和:8884

約数の個数: 40

約数和(自身を含む): 499782756

約数和(自身を除く): 278176314

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1413, 2826, 4239, 8478, 8713, 12717, 17426, 25434, 26139, 52278, 78417, 156834, 235251, 470502, 705753, 1367941, 1411506, 2735882, 4103823, 8207646, 12311469, 24622938, 36934407, 73868814, 110803221, 221606442]

約数ペア:

[(1, 221606442), (2, 110803221), (3, 73868814), (6, 36934407), (9, 24622938), (18, 12311469), (27, 8207646), (54, 4103823), (81, 2735882), (157, 1411506), (162, 1367941), (314, 705753), (471, 470502), (942, 235251), (1413, 156834), (2826, 78417), (4239, 52278), (8478, 26139), (8713, 25434), (12717, 17426)]