81403478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{2287}}^1$

素因数の和:2376

約数の個数: 24

約数和(自身を含む): 135207072

約数和(自身を除く): 53803594

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 1369, 2287, 2738, 4574, 17797, 29731, 35594, 59462, 84619, 169238, 1100047, 2200094, 3130903, 6261806, 40701739, 81403478]

約数ペア:

[(1, 81403478), (2, 40701739), (13, 6261806), (26, 3130903), (37, 2200094), (74, 1100047), (481, 169238), (962, 84619), (1369, 59462), (2287, 35594), (2738, 29731), (4574, 17797)]