155278775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{87481}}^1$

素因数の和:87562

約数の個数: 12

約数和(自身を含む): 195259824

約数和(自身を除く): 39981049

約数列:

[1, 5, 25, 71, 355, 1775, 87481, 437405, 2187025, 6211151, 31055755, 155278775]

約数ペア:

[(1, 155278775), (5, 31055755), (25, 6211151), (71, 2187025), (355, 437405), (1775, 87481)]