81512888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17299}}^1$

素因数の和:17355

約数の個数: 32

約数和(自身を含む): 166080000

約数和(自身を除く): 84567112

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4712, 17299, 34598, 69196, 138392, 328681, 536269, 657362, 1072538, 1314724, 2145076, 2629448, 4290152, 10189111, 20378222, 40756444, 81512888]

約数ペア:

[(1, 81512888), (2, 40756444), (4, 20378222), (8, 10189111), (19, 4290152), (31, 2629448), (38, 2145076), (62, 1314724), (76, 1072538), (124, 657362), (152, 536269), (248, 328681), (589, 138392), (1178, 69196), (2356, 34598), (4712, 17299)]