221043175

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1279}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 284426240

約数和(自身を除く): 63383065

約数列:

[1, 5, 25, 31, 155, 223, 775, 1115, 1279, 5575, 6395, 6913, 31975, 34565, 39649, 172825, 198245, 285217, 991225, 1426085, 7130425, 8841727, 44208635, 221043175]

約数ペア:

[(1, 221043175), (5, 44208635), (25, 8841727), (31, 7130425), (155, 1426085), (223, 991225), (775, 285217), (1115, 198245), (1279, 172825), (5575, 39649), (6395, 34565), (6913, 31975)]