78884276

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{54629}}^1$

素因数の和:54671

約数の個数: 18

約数和(自身を含む): 145698210

約数和(自身を除く): 66813934

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 54629, 109258, 218516, 1037951, 2075902, 4151804, 19721069, 39442138, 78884276]

約数ペア:

[(1, 78884276), (2, 39442138), (4, 19721069), (19, 4151804), (38, 2075902), (76, 1037951), (361, 218516), (722, 109258), (1444, 54629)]