81780478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{6823}}^1$

素因数の和:7299

約数の個数: 16

約数和(自身を含む): 132412896

約数和(自身を除く): 50632418

約数列:

[1, 2, 13, 26, 461, 922, 5993, 6823, 11986, 13646, 88699, 177398, 3145403, 6290806, 40890239, 81780478]

約数ペア:

[(1, 81780478), (2, 40890239), (13, 6290806), (26, 3145403), (461, 177398), (922, 88699), (5993, 13646), (6823, 11986)]