218857055

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 283046400

約数和(自身を除く): 64189345

約数列:

[1, 5, 29, 31, 145, 155, 181, 269, 899, 905, 1345, 4495, 5249, 5611, 7801, 8339, 26245, 28055, 39005, 41695, 48689, 162719, 241831, 243445, 813595, 1209155, 1411981, 1509359, 7059905, 7546795, 43771411, 218857055]

約数ペア:

[(1, 218857055), (5, 43771411), (29, 7546795), (31, 7059905), (145, 1509359), (155, 1411981), (181, 1209155), (269, 813595), (899, 243445), (905, 241831), (1345, 162719), (4495, 48689), (5249, 41695), (5611, 39005), (7801, 28055), (8339, 26245)]