209204737

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 52068863

約数列:

[1, 7, 17, 59, 83, 119, 359, 413, 581, 1003, 1411, 2513, 4897, 6103, 7021, 9877, 21181, 29797, 34279, 42721, 83249, 148267, 208579, 360077, 506549, 582743, 1758023, 2520539, 3545843, 12306161, 29886391, 209204737]

約数ペア:

[(1, 209204737), (7, 29886391), (17, 12306161), (59, 3545843), (83, 2520539), (119, 1758023), (359, 582743), (413, 506549), (581, 360077), (1003, 208579), (1411, 148267), (2513, 83249), (4897, 42721), (6103, 34279), (7021, 29797), (9877, 21181)]