217840638

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 458970624

約数和(自身を除く): 241129986

約数列:

[1, 2, 3, 6, 61, 71, 83, 101, 122, 142, 166, 183, 202, 213, 249, 303, 366, 426, 498, 606, 4331, 5063, 5893, 6161, 7171, 8383, 8662, 10126, 11786, 12322, 12993, 14342, 15189, 16766, 17679, 18483, 21513, 25149, 25986, 30378, 35358, 36966, 43026, 50298, 359473, 437431, 511363, 595193, 718946, 874862, 1022726, 1078419, 1190386, 1312293, 1534089, 1785579, 2156838, 2624586, 3068178, 3571158, 36306773, 72613546, 108920319, 217840638]

約数ペア:

[(1, 217840638), (2, 108920319), (3, 72613546), (6, 36306773), (61, 3571158), (71, 3068178), (83, 2624586), (101, 2156838), (122, 1785579), (142, 1534089), (166, 1312293), (183, 1190386), (202, 1078419), (213, 1022726), (249, 874862), (303, 718946), (366, 595193), (426, 511363), (498, 437431), (606, 359473), (4331, 50298), (5063, 43026), (5893, 36966), (6161, 35358), (7171, 30378), (8383, 25986), (8662, 25149), (10126, 21513), (11786, 18483), (12322, 17679), (12993, 16766), (14342, 15189)]