78457805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 104509440

約数和(自身を除く): 26051635

約数列:

[1, 5, 17, 41, 47, 85, 205, 235, 479, 697, 799, 1927, 2395, 3485, 3995, 8143, 9635, 19639, 22513, 32759, 40715, 98195, 112565, 163795, 333863, 382721, 923033, 1669315, 1913605, 4615165, 15691561, 78457805]

約数ペア:

[(1, 78457805), (5, 15691561), (17, 4615165), (41, 1913605), (47, 1669315), (85, 923033), (205, 382721), (235, 333863), (479, 163795), (697, 112565), (799, 98195), (1927, 40715), (2395, 32759), (3485, 22513), (3995, 19639), (8143, 9635)]