31189792

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 66195360

約数和(自身を除く): 35005568

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 1193, 1376, 1634, 2386, 3268, 4772, 6536, 9544, 13072, 19088, 22667, 26144, 38176, 45334, 51299, 90668, 102598, 181336, 205196, 362672, 410392, 725344, 820784, 974681, 1641568, 1949362, 3898724, 7797448, 15594896, 31189792]

約数ペア:

[(1, 31189792), (2, 15594896), (4, 7797448), (8, 3898724), (16, 1949362), (19, 1641568), (32, 974681), (38, 820784), (43, 725344), (76, 410392), (86, 362672), (152, 205196), (172, 181336), (304, 102598), (344, 90668), (608, 51299), (688, 45334), (817, 38176), (1193, 26144), (1376, 22667), (1634, 19088), (2386, 13072), (3268, 9544), (4772, 6536)]