218993044

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{617}}^1\times {\mathrm{997}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 388561320

約数和(自身を除く): 169568276

約数列:

[1, 2, 4, 89, 178, 356, 617, 997, 1234, 1994, 2468, 3988, 54913, 88733, 109826, 177466, 219652, 354932, 615149, 1230298, 2460596, 54748261, 109496522, 218993044]

約数ペア:

[(1, 218993044), (2, 109496522), (4, 54748261), (89, 2460596), (178, 1230298), (356, 615149), (617, 354932), (997, 219652), (1234, 177466), (1994, 109826), (2468, 88733), (3988, 54913)]