78765412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 160634880

約数和(自身を除く): 81869468

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 284, 418, 781, 836, 1327, 1349, 1562, 2654, 2698, 3124, 5308, 5396, 14597, 14839, 25213, 29194, 29678, 50426, 58388, 59356, 94217, 100852, 188434, 277343, 376868, 554686, 1036387, 1109372, 1790123, 2072774, 3580246, 4145548, 7160492, 19691353, 39382706, 78765412]

約数ペア:

[(1, 78765412), (2, 39382706), (4, 19691353), (11, 7160492), (19, 4145548), (22, 3580246), (38, 2072774), (44, 1790123), (71, 1109372), (76, 1036387), (142, 554686), (209, 376868), (284, 277343), (418, 188434), (781, 100852), (836, 94217), (1327, 59356), (1349, 58388), (1562, 50426), (2654, 29678), (2698, 29194), (3124, 25213), (5308, 14839), (5396, 14597)]