87937070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12763}}^1$

素因数の和:12836

約数の個数: 32

約数和(自身を含む): 173692512

約数和(自身を除く): 85755442

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 12763, 25526, 63815, 127630, 165919, 331838, 676439, 829595, 1352878, 1659190, 3382195, 6764390, 8793707, 17587414, 43968535, 87937070]

約数ペア:

[(1, 87937070), (2, 43968535), (5, 17587414), (10, 8793707), (13, 6764390), (26, 3382195), (53, 1659190), (65, 1352878), (106, 829595), (130, 676439), (265, 331838), (530, 165919), (689, 127630), (1378, 63815), (3445, 25526), (6890, 12763)]