65431345

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 96065280

約数和(自身を除く): 30633935

約数列:

[1, 5, 7, 19, 35, 61, 95, 133, 305, 427, 665, 1159, 1613, 2135, 5795, 8065, 8113, 11291, 30647, 40565, 56455, 98393, 153235, 214529, 491965, 688751, 1072645, 1869467, 3443755, 9347335, 13086269, 65431345]

約数ペア:

[(1, 65431345), (5, 13086269), (7, 9347335), (19, 3443755), (35, 1869467), (61, 1072645), (95, 688751), (133, 491965), (305, 214529), (427, 153235), (665, 98393), (1159, 56455), (1613, 40565), (2135, 30647), (5795, 11291), (8065, 8113)]