81128278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{5431}}^1$

素因数の和:5548

約数の個数: 32

約数和(自身を含む): 153312768

約数和(自身を除く): 72184490

約数列:

[1, 2, 7, 11, 14, 22, 77, 97, 154, 194, 679, 1067, 1358, 2134, 5431, 7469, 10862, 14938, 38017, 59741, 76034, 119482, 418187, 526807, 836374, 1053614, 3687649, 5794877, 7375298, 11589754, 40564139, 81128278]

約数ペア:

[(1, 81128278), (2, 40564139), (7, 11589754), (11, 7375298), (14, 5794877), (22, 3687649), (77, 1053614), (97, 836374), (154, 526807), (194, 418187), (679, 119482), (1067, 76034), (1358, 59741), (2134, 38017), (5431, 14938), (7469, 10862)]