205613905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1567}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 296239104

約数和(自身を除く): 90625199

約数列:

[1, 5, 7, 23, 35, 115, 161, 163, 805, 815, 1141, 1567, 3749, 5705, 7835, 10969, 18745, 26243, 36041, 54845, 131215, 180205, 252287, 255421, 1261435, 1277105, 1787947, 5874683, 8939735, 29373415, 41122781, 205613905]

約数ペア:

[(1, 205613905), (5, 41122781), (7, 29373415), (23, 8939735), (35, 5874683), (115, 1787947), (161, 1277105), (163, 1261435), (805, 255421), (815, 252287), (1141, 180205), (1567, 131215), (3749, 54845), (5705, 36041), (7835, 26243), (10969, 18745)]