207919856

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{316951}}^1$

素因数の和:317000

約数の個数: 20

約数和(自身を含む): 412671504

約数和(自身を除く): 204751648

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 316951, 633902, 1267804, 2535608, 5071216, 12994991, 25989982, 51979964, 103959928, 207919856]

約数ペア:

[(1, 207919856), (2, 103959928), (4, 51979964), (8, 25989982), (16, 12994991), (41, 5071216), (82, 2535608), (164, 1267804), (328, 633902), (656, 316951)]