207821408

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1839

約数の個数: 48

約数和(自身を含む): 423617040

約数和(自身を除く): 215795632

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1376, 1424, 1697, 2848, 3394, 3827, 6788, 7654, 13576, 15308, 27152, 30616, 54304, 61232, 72971, 122464, 145942, 151033, 291884, 302066, 583768, 604132, 1167536, 1208264, 2335072, 2416528, 4833056, 6494419, 12988838, 25977676, 51955352, 103910704, 207821408]

約数ペア:

[(1, 207821408), (2, 103910704), (4, 51955352), (8, 25977676), (16, 12988838), (32, 6494419), (43, 4833056), (86, 2416528), (89, 2335072), (172, 1208264), (178, 1167536), (344, 604132), (356, 583768), (688, 302066), (712, 291884), (1376, 151033), (1424, 145942), (1697, 122464), (2848, 72971), (3394, 61232), (3827, 54304), (6788, 30616), (7654, 27152), (13576, 15308)]