74868289

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 87208704

約数和(自身を除く): 12340415

約数列:

[1, 17, 23, 43, 61, 73, 391, 731, 989, 1037, 1241, 1403, 1679, 2623, 3139, 4453, 16813, 23851, 28543, 44591, 53363, 60329, 72197, 75701, 102419, 191479, 1025593, 1227349, 1741123, 3255143, 4404017, 74868289]

約数ペア:

[(1, 74868289), (17, 4404017), (23, 3255143), (43, 1741123), (61, 1227349), (73, 1025593), (391, 191479), (731, 102419), (989, 75701), (1037, 72197), (1241, 60329), (1403, 53363), (1679, 44591), (2623, 28543), (3139, 23851), (4453, 16813)]