311937421874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1991963}}^1$

素因数の和:1992314

約数の個数: 32

約数和(自身を含む): 532093423680

約数和(自身を除く): 220156001806

約数列:

[1, 2, 13, 19, 26, 38, 247, 317, 494, 634, 4121, 6023, 8242, 12046, 78299, 156598, 1991963, 3983926, 25895519, 37847297, 51791038, 75694594, 492014861, 631452271, 984029722, 1262904542, 8208879523, 11997593149, 16417759046, 23995186298, 155968710937, 311937421874]

約数ペア:

[(1, 311937421874), (2, 155968710937), (13, 23995186298), (19, 16417759046), (26, 11997593149), (38, 8208879523), (247, 1262904542), (317, 984029722), (494, 631452271), (634, 492014861), (4121, 75694594), (6023, 51791038), (8242, 37847297), (12046, 25895519), (78299, 3983926), (156598, 1991963)]