208102015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 290822400

約数和(自身を除く): 82720385

約数列:

[1, 5, 11, 17, 55, 85, 131, 187, 655, 935, 1441, 1699, 2227, 7205, 8495, 11135, 18689, 24497, 28883, 93445, 122485, 144415, 222569, 317713, 1112845, 1588565, 2448259, 3783673, 12241295, 18918365, 41620403, 208102015]

約数ペア:

[(1, 208102015), (5, 41620403), (11, 18918365), (17, 12241295), (55, 3783673), (85, 2448259), (131, 1588565), (187, 1112845), (655, 317713), (935, 222569), (1441, 144415), (1699, 122485), (2227, 93445), (7205, 28883), (8495, 24497), (11135, 18689)]