821650004

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{6689}}^1$

素因数の和:6848

約数の個数: 48

約数和(自身を含む): 1699367040

約数和(自身を除く): 877717036

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 107, 164, 214, 287, 428, 574, 749, 1148, 1498, 2996, 4387, 6689, 8774, 13378, 17548, 26756, 30709, 46823, 61418, 93646, 122836, 187292, 274249, 548498, 715723, 1096996, 1431446, 1919743, 2862892, 3839486, 5010061, 7678972, 10020122, 20040244, 29344643, 58689286, 117378572, 205412501, 410825002, 821650004]

約数ペア:

[(1, 821650004), (2, 410825002), (4, 205412501), (7, 117378572), (14, 58689286), (28, 29344643), (41, 20040244), (82, 10020122), (107, 7678972), (164, 5010061), (214, 3839486), (287, 2862892), (428, 1919743), (574, 1431446), (749, 1096996), (1148, 715723), (1498, 548498), (2996, 274249), (4387, 187292), (6689, 122836), (8774, 93646), (13378, 61418), (17548, 46823), (26756, 30709)]