78871204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1619}}^1$

素因数の和:2283

約数の個数: 24

約数和(自身を含む): 145605600

約数和(自身を除く): 66734396

約数列:

[1, 2, 4, 19, 38, 76, 641, 1282, 1619, 2564, 3238, 6476, 12179, 24358, 30761, 48716, 61522, 123044, 1037779, 2075558, 4151116, 19717801, 39435602, 78871204]

約数ペア:

[(1, 78871204), (2, 39435602), (4, 19717801), (19, 4151116), (38, 2075558), (76, 1037779), (641, 123044), (1282, 61522), (1619, 48716), (2564, 30761), (3238, 24358), (6476, 12179)]