221042454

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{1307}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 449784576

約数和(自身を除く): 228742122

約数列:

[1, 2, 3, 6, 71, 142, 213, 397, 426, 794, 1191, 1307, 2382, 2614, 3921, 7842, 28187, 56374, 84561, 92797, 169122, 185594, 278391, 518879, 556782, 1037758, 1556637, 3113274, 36840409, 73680818, 110521227, 221042454]

約数ペア:

[(1, 221042454), (2, 110521227), (3, 73680818), (6, 36840409), (71, 3113274), (142, 1556637), (213, 1037758), (397, 556782), (426, 518879), (794, 278391), (1191, 185594), (1307, 169122), (2382, 92797), (2614, 84561), (3921, 56374), (7842, 28187)]