281705855

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 359562240

約数和(自身を除く): 77856385

約数列:

[1, 5, 29, 67, 107, 145, 271, 335, 535, 1355, 1943, 3103, 7169, 7859, 9715, 15515, 18157, 28997, 35845, 39295, 90785, 144985, 207901, 526553, 840913, 1039505, 1942799, 2632765, 4204565, 9713995, 56341171, 281705855]

約数ペア:

[(1, 281705855), (5, 56341171), (29, 9713995), (67, 4204565), (107, 2632765), (145, 1942799), (271, 1039505), (335, 840913), (535, 526553), (1355, 207901), (1943, 144985), (3103, 90785), (7169, 39295), (7859, 35845), (9715, 28997), (15515, 18157)]