251020091

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 312422400

約数和(自身を除く): 61402309

約数列:

[1, 7, 23, 47, 49, 161, 329, 343, 677, 1081, 1127, 2303, 4739, 7567, 7889, 15571, 16121, 31819, 33173, 52969, 108997, 222733, 232211, 370783, 731837, 762979, 1559131, 5122859, 5340853, 10913917, 35860013, 251020091]

約数ペア:

[(1, 251020091), (7, 35860013), (23, 10913917), (47, 5340853), (49, 5122859), (161, 1559131), (329, 762979), (343, 731837), (677, 370783), (1081, 232211), (1127, 222733), (2303, 108997), (4739, 52969), (7567, 33173), (7889, 31819), (15571, 16121)]