551421115

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 767594880

約数和(自身を除く): 216173765

約数列:

[1, 5, 7, 35, 101, 389, 401, 505, 707, 1945, 2005, 2723, 2807, 3535, 13615, 14035, 39289, 40501, 155989, 196445, 202505, 275023, 283507, 779945, 1091923, 1375115, 1417535, 5459615, 15754889, 78774445, 110284223, 551421115]

約数ペア:

[(1, 551421115), (5, 110284223), (7, 78774445), (35, 15754889), (101, 5459615), (389, 1417535), (401, 1375115), (505, 1091923), (707, 779945), (1945, 283507), (2005, 275023), (2723, 202505), (2807, 196445), (3535, 155989), (13615, 40501), (14035, 39289)]