669656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 1391040

約数和(自身を除く): 721384

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 137, 188, 274, 376, 548, 611, 1096, 1222, 1781, 2444, 3562, 4888, 6439, 7124, 12878, 14248, 25756, 51512, 83707, 167414, 334828, 669656]

約数ペア:

[(1, 669656), (2, 334828), (4, 167414), (8, 83707), (13, 51512), (26, 25756), (47, 14248), (52, 12878), (94, 7124), (104, 6439), (137, 4888), (188, 3562), (274, 2444), (376, 1781), (548, 1222), (611, 1096)]