390558788

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{5351}}^1$

素因数の和:5683

約数の個数: 24

約数和(自身を含む): 695931264

約数和(自身を除く): 305372476

約数列:

[1, 2, 4, 71, 142, 257, 284, 514, 1028, 5351, 10702, 18247, 21404, 36494, 72988, 379921, 759842, 1375207, 1519684, 2750414, 5500828, 97639697, 195279394, 390558788]

約数ペア:

[(1, 390558788), (2, 195279394), (4, 97639697), (71, 5500828), (142, 2750414), (257, 1519684), (284, 1375207), (514, 759842), (1028, 379921), (5351, 72988), (10702, 36494), (18247, 21404)]