78239876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3181}}^1$

素因数の和:3252

約数の個数: 48

約数和(自身を含む): 164649408

約数和(自身を除く): 86409532

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 946, 1118, 1892, 2236, 3181, 6149, 6362, 12298, 12724, 24596, 34991, 41353, 69982, 82706, 136783, 139964, 165412, 273566, 454883, 547132, 909766, 1504613, 1778179, 1819532, 3009226, 3556358, 6018452, 7112716, 19559969, 39119938, 78239876]

約数ペア:

[(1, 78239876), (2, 39119938), (4, 19559969), (11, 7112716), (13, 6018452), (22, 3556358), (26, 3009226), (43, 1819532), (44, 1778179), (52, 1504613), (86, 909766), (143, 547132), (172, 454883), (286, 273566), (473, 165412), (559, 139964), (572, 136783), (946, 82706), (1118, 69982), (1892, 41353), (2236, 34991), (3181, 24596), (6149, 12724), (6362, 12298)]