409849648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1970431}}^1$

素因数の和:1970452

約数の個数: 20

約数和(自身を含む): 855167488

約数和(自身を除く): 445317840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1970431, 3940862, 7881724, 15763448, 25615603, 31526896, 51231206, 102462412, 204924824, 409849648]

約数ペア:

[(1, 409849648), (2, 204924824), (4, 102462412), (8, 51231206), (13, 31526896), (16, 25615603), (26, 15763448), (52, 7881724), (104, 3940862), (208, 1970431)]