66709456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19987

約数の個数: 40

約数和(自身を含む): 148428000

約数和(自身を除く): 81718544

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 19949, 39898, 79796, 159592, 219439, 319184, 379031, 438878, 758062, 877756, 1516124, 1755512, 3032248, 3511024, 4169341, 6064496, 8338682, 16677364, 33354728, 66709456]

約数ペア:

[(1, 66709456), (2, 33354728), (4, 16677364), (8, 8338682), (11, 6064496), (16, 4169341), (19, 3511024), (22, 3032248), (38, 1755512), (44, 1516124), (76, 877756), (88, 758062), (152, 438878), (176, 379031), (209, 319184), (304, 219439), (418, 159592), (836, 79796), (1672, 39898), (3344, 19949)]