68319472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{653}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 143053344

約数和(自身を除く): 74733872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 503, 653, 1006, 1306, 2012, 2612, 4024, 5224, 6539, 8048, 8489, 10448, 13078, 16978, 26156, 33956, 52312, 67912, 104624, 135824, 328459, 656918, 1313836, 2627672, 4269967, 5255344, 8539934, 17079868, 34159736, 68319472]

約数ペア:

[(1, 68319472), (2, 34159736), (4, 17079868), (8, 8539934), (13, 5255344), (16, 4269967), (26, 2627672), (52, 1313836), (104, 656918), (208, 328459), (503, 135824), (653, 104624), (1006, 67912), (1306, 52312), (2012, 33956), (2612, 26156), (4024, 16978), (5224, 13078), (6539, 10448), (8048, 8489)]