71211145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1789}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 90216000

約数和(自身を除く): 19004855

約数列:

[1, 5, 19, 95, 419, 1789, 2095, 7961, 8945, 33991, 39805, 169955, 749591, 3747955, 14242229, 71211145]

約数ペア:

[(1, 71211145), (5, 14242229), (19, 3747955), (95, 749591), (419, 169955), (1789, 39805), (2095, 33991), (7961, 8945)]