217184486

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 355687200

約数和(自身を除く): 138502714

約数列:

[1, 2, 17, 34, 43, 86, 149, 298, 731, 997, 1462, 1994, 2533, 5066, 6407, 12814, 16949, 33898, 42871, 85742, 108919, 148553, 217838, 297106, 728807, 1457614, 2525401, 5050802, 6387779, 12775558, 108592243, 217184486]

約数ペア:

[(1, 217184486), (2, 108592243), (17, 12775558), (34, 6387779), (43, 5050802), (86, 2525401), (149, 1457614), (298, 728807), (731, 297106), (997, 217838), (1462, 148553), (1994, 108919), (2533, 85742), (5066, 42871), (6407, 33898), (12814, 16949)]