209870248

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2281}}^1$

素因数の和:2378

約数の個数: 64

約数和(自身を含む): 473195520

約数和(自身を除く): 263325272

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 53, 56, 62, 106, 124, 212, 217, 248, 371, 424, 434, 742, 868, 1484, 1643, 1736, 2281, 2968, 3286, 4562, 6572, 9124, 11501, 13144, 15967, 18248, 23002, 31934, 46004, 63868, 70711, 92008, 120893, 127736, 141422, 241786, 282844, 483572, 494977, 565688, 846251, 967144, 989954, 1692502, 1979908, 3385004, 3747683, 3959816, 6770008, 7495366, 14990732, 26233781, 29981464, 52467562, 104935124, 209870248]

約数ペア:

[(1, 209870248), (2, 104935124), (4, 52467562), (7, 29981464), (8, 26233781), (14, 14990732), (28, 7495366), (31, 6770008), (53, 3959816), (56, 3747683), (62, 3385004), (106, 1979908), (124, 1692502), (212, 989954), (217, 967144), (248, 846251), (371, 565688), (424, 494977), (434, 483572), (742, 282844), (868, 241786), (1484, 141422), (1643, 127736), (1736, 120893), (2281, 92008), (2968, 70711), (3286, 63868), (4562, 46004), (6572, 31934), (9124, 23002), (11501, 18248), (13144, 15967)]