661940904

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{1217}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 1678501440

約数和(自身を除く): 1016560536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 173, 262, 346, 393, 519, 524, 692, 786, 1038, 1048, 1217, 1384, 1572, 2076, 2434, 3144, 3651, 4152, 4868, 7302, 9736, 14604, 22663, 29208, 45326, 67989, 90652, 135978, 159427, 181304, 210541, 271956, 318854, 421082, 478281, 543912, 631623, 637708, 842164, 956562, 1263246, 1275416, 1684328, 1913124, 2526492, 3826248, 5052984, 27580871, 55161742, 82742613, 110323484, 165485226, 220646968, 330970452, 661940904]

約数ペア:

[(1, 661940904), (2, 330970452), (3, 220646968), (4, 165485226), (6, 110323484), (8, 82742613), (12, 55161742), (24, 27580871), (131, 5052984), (173, 3826248), (262, 2526492), (346, 1913124), (393, 1684328), (519, 1275416), (524, 1263246), (692, 956562), (786, 842164), (1038, 637708), (1048, 631623), (1217, 543912), (1384, 478281), (1572, 421082), (2076, 318854), (2434, 271956), (3144, 210541), (3651, 181304), (4152, 159427), (4868, 135978), (7302, 90652), (9736, 67989), (14604, 45326), (22663, 29208)]