218481505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{136979}}^1$

素因数の和:137024

約数の個数: 16

約数和(自身を含む): 295876800

約数和(自身を除く): 77395295

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 136979, 684895, 1506769, 3972391, 7533845, 19861955, 43696301, 218481505]

約数ペア:

[(1, 218481505), (5, 43696301), (11, 19861955), (29, 7533845), (55, 3972391), (145, 1506769), (319, 684895), (1595, 136979)]