31138825

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 40015296

約数和(自身を除く): 8876471

約数列:

[1, 5, 25, 53, 71, 265, 331, 355, 1325, 1655, 1775, 3763, 8275, 17543, 18815, 23501, 87715, 94075, 117505, 438575, 587525, 1245553, 6227765, 31138825]

約数ペア:

[(1, 31138825), (5, 6227765), (25, 1245553), (53, 587525), (71, 438575), (265, 117505), (331, 94075), (355, 87715), (1325, 23501), (1655, 18815), (1775, 17543), (3763, 8275)]