261640144

素因数分解:

$2^4\times {\mathrm{1051}}^1\times {\mathrm{15559}}^1$

素因数の和:16618

約数の個数: 20

約数和(自身を含む): 507442720

約数和(自身を除く): 245802576

約数列:

[1, 2, 4, 8, 16, 1051, 2102, 4204, 8408, 15559, 16816, 31118, 62236, 124472, 248944, 16352509, 32705018, 65410036, 130820072, 261640144]

約数ペア:

[(1, 261640144), (2, 130820072), (4, 65410036), (8, 32705018), (16, 16352509), (1051, 248944), (2102, 124472), (4204, 62236), (8408, 31118), (15559, 16816)]