216975745

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{587}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 304819200

約数和(自身を除く): 87843455

約数列:

[1, 5, 7, 35, 59, 179, 295, 413, 587, 895, 1253, 2065, 2935, 4109, 6265, 10561, 20545, 34633, 52805, 73927, 105073, 173165, 242431, 369635, 525365, 735511, 1212155, 3677555, 6199307, 30996535, 43395149, 216975745]

約数ペア:

[(1, 216975745), (5, 43395149), (7, 30996535), (35, 6199307), (59, 3677555), (179, 1212155), (295, 735511), (413, 525365), (587, 369635), (895, 242431), (1253, 173165), (2065, 105073), (2935, 73927), (4109, 52805), (6265, 34633), (10561, 20545)]