280316012

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{72923}}^1$

素因数の和:72989

約数の個数: 18

約数和(自身を含む): 506894724

約数和(自身を除く): 226578712

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 72923, 145846, 291692, 2260613, 4521226, 9042452, 70079003, 140158006, 280316012]

約数ペア:

[(1, 280316012), (2, 140158006), (4, 70079003), (31, 9042452), (62, 4521226), (124, 2260613), (961, 291692), (1922, 145846), (3844, 72923)]