208530736

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{303097}}^1$

素因数の和:303148

約数の個数: 20

約数和(自身を含む): 413425672

約数和(自身を除く): 204894936

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 303097, 606194, 1212388, 2424776, 4849552, 13033171, 26066342, 52132684, 104265368, 208530736]

約数ペア:

[(1, 208530736), (2, 104265368), (4, 52132684), (8, 26066342), (16, 13033171), (43, 4849552), (86, 2424776), (172, 1212388), (344, 606194), (688, 303097)]