2013221275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{9817}}^1$

素因数の和:10471

約数の個数: 24

約数和(自身を含む): 2692959584

約数和(自身を除く): 679738309

約数列:

[1, 5, 13, 25, 65, 325, 631, 3155, 8203, 9817, 15775, 41015, 49085, 127621, 205075, 245425, 638105, 3190525, 6194527, 30972635, 80528851, 154863175, 402644255, 2013221275]

約数ペア:

[(1, 2013221275), (5, 402644255), (13, 154863175), (25, 80528851), (65, 30972635), (325, 6194527), (631, 3190525), (3155, 638105), (8203, 245425), (9817, 205075), (15775, 127621), (41015, 49085)]