287730245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{66221}}^1$

素因数の和:66316

約数の個数: 16

約数和(自身を含む): 381438720

約数和(自身を除く): 93708475

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 66221, 331105, 728431, 3642155, 5231459, 26157295, 57546049, 287730245]

約数ペア:

[(1, 287730245), (5, 57546049), (11, 26157295), (55, 5231459), (79, 3642155), (395, 728431), (869, 331105), (4345, 66221)]