81757636

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1\times {\mathrm{601}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 145635840

約数和(自身を除く): 63878204

約数列:

[1, 2, 4, 71, 142, 284, 479, 601, 958, 1202, 1916, 2404, 34009, 42671, 68018, 85342, 136036, 170684, 287879, 575758, 1151516, 20439409, 40878818, 81757636]

約数ペア:

[(1, 81757636), (2, 40878818), (4, 20439409), (71, 1151516), (142, 575758), (284, 287879), (479, 170684), (601, 136036), (958, 85342), (1202, 68018), (1916, 42671), (2404, 34009)]