251013808

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{382643}}^1$

素因数の和:382692

約数の個数: 20

約数和(自身を含む): 498202488

約数和(自身を除く): 247188680

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 382643, 765286, 1530572, 3061144, 6122288, 15688363, 31376726, 62753452, 125506904, 251013808]

約数ペア:

[(1, 251013808), (2, 125506904), (4, 62753452), (8, 31376726), (16, 15688363), (41, 6122288), (82, 3061144), (164, 1530572), (328, 765286), (656, 382643)]