2051264978

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 3758899200

約数和(自身を除く): 1707634222

約数列:

[1, 2, 7, 14, 31, 37, 62, 74, 139, 217, 259, 278, 434, 518, 919, 973, 1147, 1838, 1946, 2294, 4309, 5143, 6433, 8029, 8618, 10286, 12866, 16058, 28489, 30163, 34003, 36001, 56978, 60326, 68006, 72002, 127741, 159433, 199423, 238021, 255482, 318866, 398846, 476042, 894187, 1054093, 1116031, 1788374, 2108186, 2232062, 3959971, 4726417, 7378651, 7919942, 9452834, 14757302, 27719797, 33084919, 55439594, 66169838, 146518927, 293037854, 1025632489, 2051264978]

約数ペア:

[(1, 2051264978), (2, 1025632489), (7, 293037854), (14, 146518927), (31, 66169838), (37, 55439594), (62, 33084919), (74, 27719797), (139, 14757302), (217, 9452834), (259, 7919942), (278, 7378651), (434, 4726417), (518, 3959971), (919, 2232062), (973, 2108186), (1147, 1788374), (1838, 1116031), (1946, 1054093), (2294, 894187), (4309, 476042), (5143, 398846), (6433, 318866), (8029, 255482), (8618, 238021), (10286, 199423), (12866, 159433), (16058, 127741), (28489, 72002), (30163, 68006), (34003, 60326), (36001, 56978)]