280196119

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 336942720

約数和(自身を除く): 56746601

約数列:

[1, 7, 61, 73, 89, 101, 427, 511, 623, 707, 4453, 5429, 6161, 6497, 7373, 8989, 31171, 38003, 43127, 45479, 51611, 62923, 396317, 449753, 548329, 656197, 2774219, 3148271, 3838303, 4593379, 40028017, 280196119]

約数ペア:

[(1, 280196119), (7, 40028017), (61, 4593379), (73, 3838303), (89, 3148271), (101, 2774219), (427, 656197), (511, 548329), (623, 449753), (707, 396317), (4453, 62923), (5429, 51611), (6161, 45479), (6497, 43127), (7373, 38003), (8989, 31171)]