81288356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19597}}^1$

素因数の和:19679

約数の個数: 24

約数和(自身を含む): 153099576

約数和(自身を除く): 71811220

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 19597, 39194, 78388, 333149, 666298, 1195417, 1332596, 2390834, 4781668, 20322089, 40644178, 81288356]

約数ペア:

[(1, 81288356), (2, 40644178), (4, 20322089), (17, 4781668), (34, 2390834), (61, 1332596), (68, 1195417), (122, 666298), (244, 333149), (1037, 78388), (2074, 39194), (4148, 19597)]