81302128

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{11119}}^1$

素因数の和:11584

約数の個数: 20

約数和(自身を含む): 157881760

約数和(自身を除く): 76579632

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 3656, 7312, 11119, 22238, 44476, 88952, 177904, 5081383, 10162766, 20325532, 40651064, 81302128]

約数ペア:

[(1, 81302128), (2, 40651064), (4, 20325532), (8, 10162766), (16, 5081383), (457, 177904), (914, 88952), (1828, 44476), (3656, 22238), (7312, 11119)]