39978488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3049}}^1$

素因数の和:3215

約数の個数: 32

約数和(自身を含む): 82350000

約数和(自身を除く): 42371512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1639, 3049, 3278, 6098, 6556, 12196, 13112, 24392, 33539, 67078, 134156, 268312, 454301, 908602, 1817204, 3634408, 4997311, 9994622, 19989244, 39978488]

約数ペア:

[(1, 39978488), (2, 19989244), (4, 9994622), (8, 4997311), (11, 3634408), (22, 1817204), (44, 908602), (88, 454301), (149, 268312), (298, 134156), (596, 67078), (1192, 33539), (1639, 24392), (3049, 13112), (3278, 12196), (6098, 6556)]