661628398

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1\times {\mathrm{9949}}^1$

素因数の和:10803

約数の個数: 16

約数和(自身を含む): 1018004400

約数和(自身を除く): 356376002

約数列:

[1, 2, 41, 82, 811, 1622, 9949, 19898, 33251, 66502, 407909, 815818, 8068639, 16137278, 330814199, 661628398]

約数ペア:

[(1, 661628398), (2, 330814199), (41, 16137278), (82, 8068639), (811, 815818), (1622, 407909), (9949, 66502), (19898, 33251)]