1386772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 2600640

約数和(自身を除く): 1213868

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 257, 284, 514, 1028, 1349, 2698, 4883, 5396, 9766, 18247, 19532, 36494, 72988, 346693, 693386, 1386772]

約数ペア:

[(1, 1386772), (2, 693386), (4, 346693), (19, 72988), (38, 36494), (71, 19532), (76, 18247), (142, 9766), (257, 5396), (284, 4883), (514, 2698), (1028, 1349)]