26439590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 27681370

約数列:

[1, 2, 5, 10, 17, 29, 31, 34, 58, 62, 85, 145, 155, 170, 173, 290, 310, 346, 493, 527, 865, 899, 986, 1054, 1730, 1798, 2465, 2635, 2941, 4495, 4930, 5017, 5270, 5363, 5882, 8990, 10034, 10726, 14705, 15283, 25085, 26815, 29410, 30566, 50170, 53630, 76415, 85289, 91171, 152830, 155527, 170578, 182342, 311054, 426445, 455855, 777635, 852890, 911710, 1555270, 2643959, 5287918, 13219795, 26439590]

約数ペア:

[(1, 26439590), (2, 13219795), (5, 5287918), (10, 2643959), (17, 1555270), (29, 911710), (31, 852890), (34, 777635), (58, 455855), (62, 426445), (85, 311054), (145, 182342), (155, 170578), (170, 155527), (173, 152830), (290, 91171), (310, 85289), (346, 76415), (493, 53630), (527, 50170), (865, 30566), (899, 29410), (986, 26815), (1054, 25085), (1730, 15283), (1798, 14705), (2465, 10726), (2635, 10034), (2941, 8990), (4495, 5882), (4930, 5363), (5017, 5270)]