28371385

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1163}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 42239232

約数和(自身を除く): 13867847

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 595, 697, 1163, 1435, 3485, 4879, 5815, 8141, 19771, 24395, 40705, 47683, 98855, 138397, 238415, 333781, 691985, 810611, 1668905, 4053055, 5674277, 28371385]

約数ペア:

[(1, 28371385), (5, 5674277), (7, 4053055), (17, 1668905), (35, 810611), (41, 691985), (85, 333781), (119, 238415), (205, 138397), (287, 98855), (595, 47683), (697, 40705), (1163, 24395), (1435, 19771), (3485, 8141), (4879, 5815)]