61980356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{19891}}^1$

素因数の和:19955

約数の個数: 24

約数和(自身を含む): 116964960

約数和(自身を除く): 54984604

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 19891, 39782, 79564, 377929, 755858, 815531, 1511716, 1631062, 3262124, 15495089, 30990178, 61980356]

約数ペア:

[(1, 61980356), (2, 30990178), (4, 15495089), (19, 3262124), (38, 1631062), (41, 1511716), (76, 815531), (82, 755858), (164, 377929), (779, 79564), (1558, 39782), (3116, 19891)]