291220412

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{68879}}^1$

素因数の和:69041

約数の個数: 24

約数和(自身を含む): 586306560

約数和(自身を除く): 295086148

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 68879, 137758, 275516, 482153, 964306, 1928612, 10400729, 20801458, 41602916, 72805103, 145610206, 291220412]

約数ペア:

[(1, 291220412), (2, 145610206), (4, 72805103), (7, 41602916), (14, 20801458), (28, 10400729), (151, 1928612), (302, 964306), (604, 482153), (1057, 275516), (2114, 137758), (4228, 68879)]