1279163536

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{128327}}^1$

素因数の和:128431

約数の個数: 40

約数和(自身を含む): 2864280960

約数和(自身を除く): 1585117424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 128327, 256654, 513308, 898289, 1026616, 1796578, 2053232, 3593156, 7186312, 11421103, 14372624, 22842206, 45684412, 79947721, 91368824, 159895442, 182737648, 319790884, 639581768, 1279163536]

約数ペア:

[(1, 1279163536), (2, 639581768), (4, 319790884), (7, 182737648), (8, 159895442), (14, 91368824), (16, 79947721), (28, 45684412), (56, 22842206), (89, 14372624), (112, 11421103), (178, 7186312), (356, 3593156), (623, 2053232), (712, 1796578), (1246, 1026616), (1424, 898289), (2492, 513308), (4984, 256654), (9968, 128327)]