23721985

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 33997824

約数和(自身を除く): 10275839

約数列:

[1, 5, 7, 35, 41, 61, 205, 271, 287, 305, 427, 1355, 1435, 1897, 2135, 2501, 9485, 11111, 12505, 16531, 17507, 55555, 77777, 82655, 87535, 115717, 388885, 578585, 677771, 3388855, 4744397, 23721985]

約数ペア:

[(1, 23721985), (5, 4744397), (7, 3388855), (35, 677771), (41, 578585), (61, 388885), (205, 115717), (271, 87535), (287, 82655), (305, 77777), (427, 55555), (1355, 17507), (1435, 16531), (1897, 12505), (2135, 11111), (2501, 9485)]