208222715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1\times {\mathrm{2689}}^1$

素因数の和:3622

約数の個数: 16

約数和(自身を含む): 264954240

約数和(自身を除く): 56731525

約数列:

[1, 5, 17, 85, 911, 2689, 4555, 13445, 15487, 45713, 77435, 228565, 2449679, 12248395, 41644543, 208222715]

約数ペア:

[(1, 208222715), (5, 41644543), (17, 12248395), (85, 2449679), (911, 228565), (2689, 77435), (4555, 45713), (13445, 15487)]