865644028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{20231}}^1$

素因数の和:20817

約数の個数: 24

約数和(自身を含む): 1597518720

約数和(自身を除く): 731874692

約数列:

[1, 2, 4, 19, 38, 76, 563, 1126, 2252, 10697, 20231, 21394, 40462, 42788, 80924, 384389, 768778, 1537556, 11390053, 22780106, 45560212, 216411007, 432822014, 865644028]

約数ペア:

[(1, 865644028), (2, 432822014), (4, 216411007), (19, 45560212), (38, 22780106), (76, 11390053), (563, 1537556), (1126, 768778), (2252, 384389), (10697, 80924), (20231, 42788), (21394, 40462)]