86291290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1109}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 161118720

約数和(自身を除く): 74827430

約数列:

[1, 2, 5, 10, 31, 62, 155, 251, 310, 502, 1109, 1255, 2218, 2510, 5545, 7781, 11090, 15562, 34379, 38905, 68758, 77810, 171895, 278359, 343790, 556718, 1391795, 2783590, 8629129, 17258258, 43145645, 86291290]

約数ペア:

[(1, 86291290), (2, 43145645), (5, 17258258), (10, 8629129), (31, 2783590), (62, 1391795), (155, 556718), (251, 343790), (310, 278359), (502, 171895), (1109, 77810), (1255, 68758), (2218, 38905), (2510, 34379), (5545, 15562), (7781, 11090)]