207821005

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 314916336

約数和(自身を除く): 107095331

約数列:

[1, 5, 7, 17, 35, 41, 49, 85, 119, 205, 245, 287, 595, 697, 833, 1217, 1435, 2009, 3485, 4165, 4879, 6085, 8519, 10045, 20689, 24395, 34153, 42595, 49897, 59633, 103445, 144823, 170765, 249485, 298165, 349279, 724115, 848249, 1013761, 1746395, 2444953, 4241245, 5068805, 5937743, 12224765, 29688715, 41564201, 207821005]

約数ペア:

[(1, 207821005), (5, 41564201), (7, 29688715), (17, 12224765), (35, 5937743), (41, 5068805), (49, 4241245), (85, 2444953), (119, 1746395), (205, 1013761), (245, 848249), (287, 724115), (595, 349279), (697, 298165), (833, 249485), (1217, 170765), (1435, 144823), (2009, 103445), (3485, 59633), (4165, 49897), (4879, 42595), (6085, 34153), (8519, 24395), (10045, 20689)]