218640978

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{238171}}^1$

素因数の和:238199

約数の個数: 32

約数和(自身を含む): 514451520

約数和(自身を除く): 295810542

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 238171, 476342, 714513, 1429026, 2143539, 4048907, 4287078, 6430617, 8097814, 12146721, 12861234, 24293442, 36440163, 72880326, 109320489, 218640978]

約数ペア:

[(1, 218640978), (2, 109320489), (3, 72880326), (6, 36440163), (9, 24293442), (17, 12861234), (18, 12146721), (27, 8097814), (34, 6430617), (51, 4287078), (54, 4048907), (102, 2143539), (153, 1429026), (306, 714513), (459, 476342), (918, 238171)]