991707385

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 1242428544

約数和(自身を除く): 250721159

約数列:

[1, 5, 41, 101, 205, 211, 227, 505, 1055, 1135, 4141, 8651, 9307, 20705, 21311, 22927, 43255, 46535, 47897, 106555, 114635, 239485, 873751, 940007, 1963777, 4368755, 4700035, 4837597, 9818885, 24187985, 198341477, 991707385]

約数ペア:

[(1, 991707385), (5, 198341477), (41, 24187985), (101, 9818885), (205, 4837597), (211, 4700035), (227, 4368755), (505, 1963777), (1055, 940007), (1135, 873751), (4141, 239485), (8651, 114635), (9307, 106555), (20705, 47897), (21311, 46535), (22927, 43255)]