85780765

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 121118976

約数和(自身を除く): 35338211

約数列:

[1, 5, 7, 35, 53, 131, 265, 353, 371, 655, 917, 1765, 1855, 2471, 4585, 6943, 12355, 18709, 34715, 46243, 48601, 93545, 130963, 231215, 243005, 323701, 654815, 1618505, 2450879, 12254395, 17156153, 85780765]

約数ペア:

[(1, 85780765), (5, 17156153), (7, 12254395), (35, 2450879), (53, 1618505), (131, 654815), (265, 323701), (353, 243005), (371, 231215), (655, 130963), (917, 93545), (1765, 48601), (1855, 46243), (2471, 34715), (4585, 18709), (6943, 12355)]