86697620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{254993}}^1$

素因数の和:255019

約数の個数: 24

約数和(自身を含む): 192775464

約数和(自身を除く): 106077844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 254993, 509986, 1019972, 1274965, 2549930, 4334881, 5099860, 8669762, 17339524, 21674405, 43348810, 86697620]

約数ペア:

[(1, 86697620), (2, 43348810), (4, 21674405), (5, 17339524), (10, 8669762), (17, 5099860), (20, 4334881), (34, 2549930), (68, 1274965), (85, 1019972), (170, 509986), (340, 254993)]