1997807615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{12197}}^1$

素因数の和:12307

約数の個数: 32

約数和(自身を含む): 2655846144

約数和(自身を除く): 658038529

約数列:

[1, 5, 17, 41, 47, 85, 205, 235, 697, 799, 1927, 3485, 3995, 9635, 12197, 32759, 60985, 163795, 207349, 500077, 573259, 1036745, 2500385, 2866295, 8501309, 9745403, 23503619, 42506545, 48727015, 117518095, 399561523, 1997807615]

約数ペア:

[(1, 1997807615), (5, 399561523), (17, 117518095), (41, 48727015), (47, 42506545), (85, 23503619), (205, 9745403), (235, 8501309), (697, 2866295), (799, 2500385), (1927, 1036745), (3485, 573259), (3995, 500077), (9635, 207349), (12197, 163795), (32759, 60985)]