518672

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 1255872

約数和(自身を除く): 737200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 421, 616, 842, 1232, 1684, 2947, 3368, 4631, 5894, 6736, 9262, 11788, 18524, 23576, 32417, 37048, 47152, 64834, 74096, 129668, 259336, 518672]

約数ペア:

[(1, 518672), (2, 259336), (4, 129668), (7, 74096), (8, 64834), (11, 47152), (14, 37048), (16, 32417), (22, 23576), (28, 18524), (44, 11788), (56, 9262), (77, 6736), (88, 5894), (112, 4631), (154, 3368), (176, 2947), (308, 1684), (421, 1232), (616, 842)]