491318834

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1\times {\mathrm{1697}}^1$

素因数の和:2138

約数の個数: 24

約数和(自身を含む): 780207228

約数和(自身を除く): 288888394

約数列:

[1, 2, 19, 38, 361, 401, 722, 802, 1697, 3394, 7619, 15238, 32243, 64486, 144761, 289522, 612617, 680497, 1225234, 1360994, 12929443, 25858886, 245659417, 491318834]

約数ペア:

[(1, 491318834), (2, 245659417), (19, 25858886), (38, 12929443), (361, 1360994), (401, 1225234), (722, 680497), (802, 612617), (1697, 289522), (3394, 144761), (7619, 64486), (15238, 32243)]