81364144

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 162007488

約数和(自身を除く): 80643344

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 257, 376, 421, 514, 752, 842, 1028, 1684, 2056, 3368, 4112, 6736, 12079, 19787, 24158, 39574, 48316, 79148, 96632, 108197, 158296, 193264, 216394, 316592, 432788, 865576, 1731152, 5085259, 10170518, 20341036, 40682072, 81364144]

約数ペア:

[(1, 81364144), (2, 40682072), (4, 20341036), (8, 10170518), (16, 5085259), (47, 1731152), (94, 865576), (188, 432788), (257, 316592), (376, 216394), (421, 193264), (514, 158296), (752, 108197), (842, 96632), (1028, 79148), (1684, 48316), (2056, 39574), (3368, 24158), (4112, 19787), (6736, 12079)]