640952530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{9497}}^1$

素因数の和:9918

約数の個数: 32

約数和(自身を含む): 1224786096

約数和(自身を除く): 583833566

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 397, 794, 1985, 3970, 6749, 9497, 13498, 18994, 33745, 47485, 67490, 94970, 161449, 322898, 807245, 1614490, 3770309, 7540618, 18851545, 37703090, 64095253, 128190506, 320476265, 640952530]

約数ペア:

[(1, 640952530), (2, 320476265), (5, 128190506), (10, 64095253), (17, 37703090), (34, 18851545), (85, 7540618), (170, 3770309), (397, 1614490), (794, 807245), (1985, 322898), (3970, 161449), (6749, 94970), (9497, 67490), (13498, 47485), (18994, 33745)]