66325264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 132580800

約数和(自身を除く): 66255536

約数列:

[1, 2, 4, 8, 16, 43, 86, 149, 172, 298, 344, 596, 647, 688, 1192, 1294, 2384, 2588, 5176, 6407, 10352, 12814, 25628, 27821, 51256, 55642, 96403, 102512, 111284, 192806, 222568, 385612, 445136, 771224, 1542448, 4145329, 8290658, 16581316, 33162632, 66325264]

約数ペア:

[(1, 66325264), (2, 33162632), (4, 16581316), (8, 8290658), (16, 4145329), (43, 1542448), (86, 771224), (149, 445136), (172, 385612), (298, 222568), (344, 192806), (596, 111284), (647, 102512), (688, 96403), (1192, 55642), (1294, 51256), (2384, 27821), (2588, 25628), (5176, 12814), (6407, 10352)]