77878120404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{205981}}^1$

素因数の和:206645

約数の個数: 72

約数和(自身を含む): 211713243168

約数和(自身を除く): 133835122764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 643, 1286, 1929, 2572, 3858, 4501, 7716, 9002, 13503, 18004, 27006, 31507, 54012, 63014, 94521, 126028, 189042, 205981, 378084, 411962, 617943, 823924, 1235886, 1441867, 2471772, 2883734, 4325601, 5767468, 8651202, 10093069, 17302404, 20186138, 30279207, 40372276, 60558414, 121116828, 132445783, 264891566, 397337349, 529783132, 794674698, 927120481, 1589349396, 1854240962, 2781361443, 3708481924, 5562722886, 6489843367, 11125445772, 12979686734, 19469530101, 25959373468, 38939060202, 77878120404]

約数ペア:

[(1, 77878120404), (2, 38939060202), (3, 25959373468), (4, 19469530101), (6, 12979686734), (7, 11125445772), (12, 6489843367), (14, 5562722886), (21, 3708481924), (28, 2781361443), (42, 1854240962), (49, 1589349396), (84, 927120481), (98, 794674698), (147, 529783132), (196, 397337349), (294, 264891566), (588, 132445783), (643, 121116828), (1286, 60558414), (1929, 40372276), (2572, 30279207), (3858, 20186138), (4501, 17302404), (7716, 10093069), (9002, 8651202), (13503, 5767468), (18004, 4325601), (27006, 2883734), (31507, 2471772), (54012, 1441867), (63014, 1235886), (94521, 823924), (126028, 617943), (189042, 411962), (205981, 378084)]