81566646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1709

約数の個数: 64

約数和(自身を含む): 200309760

約数和(自身を除く): 118743114

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 71, 102, 119, 142, 213, 238, 357, 426, 497, 714, 994, 1207, 1491, 1609, 2414, 2982, 3218, 3621, 4827, 7242, 8449, 9654, 11263, 16898, 22526, 25347, 27353, 33789, 50694, 54706, 67578, 82059, 114239, 164118, 191471, 228478, 342717, 382942, 574413, 685434, 799673, 1148826, 1599346, 1942063, 2399019, 3884126, 4798038, 5826189, 11652378, 13594441, 27188882, 40783323, 81566646]

約数ペア:

[(1, 81566646), (2, 40783323), (3, 27188882), (6, 13594441), (7, 11652378), (14, 5826189), (17, 4798038), (21, 3884126), (34, 2399019), (42, 1942063), (51, 1599346), (71, 1148826), (102, 799673), (119, 685434), (142, 574413), (213, 382942), (238, 342717), (357, 228478), (426, 191471), (497, 164118), (714, 114239), (994, 82059), (1207, 67578), (1491, 54706), (1609, 50694), (2414, 33789), (2982, 27353), (3218, 25347), (3621, 22526), (4827, 16898), (7242, 11263), (8449, 9654)]