142897105

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{643}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 186677568

約数和(自身を除く): 43780463

約数列:

[1, 5, 13, 65, 169, 263, 643, 845, 1315, 3215, 3419, 8359, 17095, 41795, 44447, 108667, 169109, 222235, 543335, 845545, 2198417, 10992085, 28579421, 142897105]

約数ペア:

[(1, 142897105), (5, 28579421), (13, 10992085), (65, 2198417), (169, 845545), (263, 543335), (643, 222235), (845, 169109), (1315, 108667), (3215, 44447), (3419, 41795), (8359, 17095)]