661045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 1057536

約数和(自身を除く): 396491

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 101, 119, 187, 385, 505, 595, 707, 935, 1111, 1309, 1717, 3535, 5555, 6545, 7777, 8585, 12019, 18887, 38885, 60095, 94435, 132209, 661045]

約数ペア:

[(1, 661045), (5, 132209), (7, 94435), (11, 60095), (17, 38885), (35, 18887), (55, 12019), (77, 8585), (85, 7777), (101, 6545), (119, 5555), (187, 3535), (385, 1717), (505, 1309), (595, 1111), (707, 935)]