77881418

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1\times {\mathrm{401}}^1$

素因数の和:710

約数の個数: 24

約数和(自身を含む): 124061220

約数和(自身を除く): 46179802

約数列:

[1, 2, 19, 38, 269, 361, 401, 538, 722, 802, 5111, 7619, 10222, 15238, 97109, 107869, 144761, 194218, 215738, 289522, 2049511, 4099022, 38940709, 77881418]

約数ペア:

[(1, 77881418), (2, 38940709), (19, 4099022), (38, 2049511), (269, 289522), (361, 215738), (401, 194218), (538, 144761), (722, 107869), (802, 97109), (5111, 15238), (7619, 10222)]