655385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 846720

約数和(自身を除く): 191335

約数列:

[1, 5, 23, 41, 115, 139, 205, 695, 943, 3197, 4715, 5699, 15985, 28495, 131077, 655385]

約数ペア:

[(1, 655385), (5, 131077), (23, 28495), (41, 15985), (115, 5699), (139, 4715), (205, 3197), (695, 943)]