2005516994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{971}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 3536991360

約数和(自身を除く): 1531474366

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 113, 226, 247, 481, 494, 703, 962, 971, 1406, 1469, 1942, 2147, 2938, 4181, 4294, 8362, 9139, 12623, 18278, 18449, 25246, 27911, 35927, 36898, 54353, 55822, 71854, 79439, 108706, 109723, 158878, 219446, 239837, 467051, 479674, 682613, 934102, 1032707, 1365226, 1426399, 2065414, 2084737, 2852798, 4059751, 4169474, 8119502, 8873969, 17747938, 27101581, 52776763, 54203162, 77135269, 105553526, 154270538, 1002758497, 2005516994]

約数ペア:

[(1, 2005516994), (2, 1002758497), (13, 154270538), (19, 105553526), (26, 77135269), (37, 54203162), (38, 52776763), (74, 27101581), (113, 17747938), (226, 8873969), (247, 8119502), (481, 4169474), (494, 4059751), (703, 2852798), (962, 2084737), (971, 2065414), (1406, 1426399), (1469, 1365226), (1942, 1032707), (2147, 934102), (2938, 682613), (4181, 479674), (4294, 467051), (8362, 239837), (9139, 219446), (12623, 158878), (18278, 109723), (18449, 108706), (25246, 79439), (27911, 71854), (35927, 55822), (36898, 54353)]