201780085

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{7703}}^1$

素因数の和:7765

約数の個数: 24

約数和(自身を含む): 270687744

約数和(自身を除く): 68907659

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 5239, 7703, 26195, 38515, 100139, 238793, 500695, 1193965, 1301807, 3104309, 6509035, 15521545, 40356017, 201780085]

約数ペア:

[(1, 201780085), (5, 40356017), (13, 15521545), (31, 6509035), (65, 3104309), (155, 1301807), (169, 1193965), (403, 500695), (845, 238793), (2015, 100139), (5239, 38515), (7703, 26195)]