428428441

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 532224000

約数和(自身を除く): 103795559

約数列:

[1, 7, 17, 59, 119, 139, 413, 439, 973, 1003, 2363, 3073, 7021, 7463, 8201, 16541, 25901, 52241, 57407, 61021, 139417, 181307, 427147, 440317, 975919, 1037357, 3082219, 3600239, 7261499, 25201673, 61204063, 428428441]

約数ペア:

[(1, 428428441), (7, 61204063), (17, 25201673), (59, 7261499), (119, 3600239), (139, 3082219), (413, 1037357), (439, 975919), (973, 440317), (1003, 427147), (2363, 181307), (3073, 139417), (7021, 61021), (7463, 57407), (8201, 52241), (16541, 25901)]