65990808

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 128

約数和(自身を含む): 200793600

約数和(自身を除く): 134802792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 71, 72, 78, 104, 108, 117, 142, 156, 213, 216, 234, 284, 312, 331, 351, 426, 468, 568, 639, 662, 702, 852, 923, 936, 993, 1278, 1324, 1404, 1704, 1846, 1917, 1986, 2556, 2648, 2769, 2808, 2979, 3692, 3834, 3972, 4303, 5112, 5538, 5958, 7384, 7668, 7944, 8307, 8606, 8937, 11076, 11916, 12909, 15336, 16614, 17212, 17874, 22152, 23501, 23832, 24921, 25818, 33228, 34424, 35748, 38727, 47002, 49842, 51636, 66456, 70503, 71496, 77454, 94004, 99684, 103272, 116181, 141006, 154908, 188008, 199368, 211509, 232362, 282012, 305513, 309816, 423018, 464724, 564024, 611026, 634527, 846036, 916539, 929448, 1222052, 1269054, 1692072, 1833078, 2444104, 2538108, 2749617, 3666156, 5076216, 5499234, 7332312, 8248851, 10998468, 16497702, 21996936, 32995404, 65990808]

約数ペア:

[(1, 65990808), (2, 32995404), (3, 21996936), (4, 16497702), (6, 10998468), (8, 8248851), (9, 7332312), (12, 5499234), (13, 5076216), (18, 3666156), (24, 2749617), (26, 2538108), (27, 2444104), (36, 1833078), (39, 1692072), (52, 1269054), (54, 1222052), (71, 929448), (72, 916539), (78, 846036), (104, 634527), (108, 611026), (117, 564024), (142, 464724), (156, 423018), (213, 309816), (216, 305513), (234, 282012), (284, 232362), (312, 211509), (331, 199368), (351, 188008), (426, 154908), (468, 141006), (568, 116181), (639, 103272), (662, 99684), (702, 94004), (852, 77454), (923, 71496), (936, 70503), (993, 66456), (1278, 51636), (1324, 49842), (1404, 47002), (1704, 38727), (1846, 35748), (1917, 34424), (1986, 33228), (2556, 25818), (2648, 24921), (2769, 23832), (2808, 23501), (2979, 22152), (3692, 17874), (3834, 17212), (3972, 16614), (4303, 15336), (5112, 12909), (5538, 11916), (5958, 11076), (7384, 8937), (7668, 8606), (7944, 8307)]