138292016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{210811}}^1$

素因数の和:210860

約数の個数: 20

約数和(自身を含む): 274477224

約数和(自身を除く): 136185208

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 210811, 421622, 843244, 1686488, 3372976, 8643251, 17286502, 34573004, 69146008, 138292016]

約数ペア:

[(1, 138292016), (2, 69146008), (4, 34573004), (8, 17286502), (16, 8643251), (41, 3372976), (82, 1686488), (164, 843244), (328, 421622), (656, 210811)]