631871316

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{919}}^1$

素因数の和:1269

約数の個数: 72

約数和(自身を含む): 1627516800

約数和(自身を除く): 995645484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 269, 284, 426, 538, 639, 807, 852, 919, 1076, 1278, 1614, 1838, 2421, 2556, 2757, 3228, 3676, 4842, 5514, 8271, 9684, 11028, 16542, 19099, 33084, 38198, 57297, 65249, 76396, 114594, 130498, 171891, 195747, 229188, 247211, 260996, 343782, 391494, 494422, 587241, 687564, 741633, 782988, 988844, 1174482, 1483266, 2224899, 2348964, 2966532, 4449798, 8899596, 17551981, 35103962, 52655943, 70207924, 105311886, 157967829, 210623772, 315935658, 631871316]

約数ペア:

[(1, 631871316), (2, 315935658), (3, 210623772), (4, 157967829), (6, 105311886), (9, 70207924), (12, 52655943), (18, 35103962), (36, 17551981), (71, 8899596), (142, 4449798), (213, 2966532), (269, 2348964), (284, 2224899), (426, 1483266), (538, 1174482), (639, 988844), (807, 782988), (852, 741633), (919, 687564), (1076, 587241), (1278, 494422), (1614, 391494), (1838, 343782), (2421, 260996), (2556, 247211), (2757, 229188), (3228, 195747), (3676, 171891), (4842, 130498), (5514, 114594), (8271, 76396), (9684, 65249), (11028, 57297), (16542, 38198), (19099, 33084)]