9781770257

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1\times {\mathrm{1279}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 11865292800

約数和(自身を除く): 2083522543

約数列:

[1, 7, 23, 67, 161, 469, 709, 1279, 1541, 4963, 8953, 10787, 16307, 29417, 47503, 85693, 114149, 205919, 332521, 599851, 906811, 1092569, 1970939, 6347677, 7647983, 13796573, 20856653, 60756337, 145996571, 425294359, 1397395751, 9781770257]

約数ペア:

[(1, 9781770257), (7, 1397395751), (23, 425294359), (67, 145996571), (161, 60756337), (469, 20856653), (709, 13796573), (1279, 7647983), (1541, 6347677), (4963, 1970939), (8953, 1092569), (10787, 906811), (16307, 599851), (29417, 332521), (47503, 205919), (85693, 114149)]