664354424

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{9949}}^1$

素因数の和:10463

約数の個数: 32

約数和(自身を含む): 1321758000

約数和(自身を除く): 657403576

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 491, 982, 1964, 3928, 8347, 9949, 16694, 19898, 33388, 39796, 66776, 79592, 169133, 338266, 676532, 1353064, 4884959, 9769918, 19539836, 39079672, 83044303, 166088606, 332177212, 664354424]

約数ペア:

[(1, 664354424), (2, 332177212), (4, 166088606), (8, 83044303), (17, 39079672), (34, 19539836), (68, 9769918), (136, 4884959), (491, 1353064), (982, 676532), (1964, 338266), (3928, 169133), (8347, 79592), (9949, 66776), (16694, 39796), (19898, 33388)]