808216689

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 1310515200

約数和(自身を除く): 502298511

約数列:

[1, 3, 7, 21, 29, 79, 87, 107, 157, 203, 237, 321, 471, 553, 609, 749, 1099, 1659, 2247, 2291, 3103, 3297, 4553, 6873, 8453, 9309, 12403, 13659, 16037, 16799, 21721, 25359, 31871, 37209, 48111, 50397, 59171, 65163, 86821, 95613, 117593, 177513, 245137, 260463, 352779, 359687, 487171, 735411, 1079061, 1327121, 1461513, 1715959, 2517809, 3410197, 3981363, 5147877, 7553427, 9289847, 10230591, 27869541, 38486509, 115459527, 269405563, 808216689]

約数ペア:

[(1, 808216689), (3, 269405563), (7, 115459527), (21, 38486509), (29, 27869541), (79, 10230591), (87, 9289847), (107, 7553427), (157, 5147877), (203, 3981363), (237, 3410197), (321, 2517809), (471, 1715959), (553, 1461513), (609, 1327121), (749, 1079061), (1099, 735411), (1659, 487171), (2247, 359687), (2291, 352779), (3103, 260463), (3297, 245137), (4553, 177513), (6873, 117593), (8453, 95613), (9309, 86821), (12403, 65163), (13659, 59171), (16037, 50397), (16799, 48111), (21721, 37209), (25359, 31871)]