319930849

素因数分解:

$7^4\times {\mathrm{227}}^1\times {\mathrm{587}}^1$

素因数の和:842

約数の個数: 20

約数和(自身を含む): 375513264

約数和(自身を除く): 55582415

約数列:

[1, 7, 49, 227, 343, 587, 1589, 2401, 4109, 11123, 28763, 77861, 133249, 201341, 545027, 932743, 1409387, 6529201, 45704407, 319930849]

約数ペア:

[(1, 319930849), (7, 45704407), (49, 6529201), (227, 1409387), (343, 932743), (587, 545027), (1589, 201341), (2401, 133249), (4109, 77861), (11123, 28763)]