256218526

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{719}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 418037760

約数和(自身を除く): 161819234

約数列:

[1, 2, 17, 34, 47, 94, 223, 446, 719, 799, 1438, 1598, 3791, 7582, 10481, 12223, 20962, 24446, 33793, 67586, 160337, 178177, 320674, 356354, 574481, 1148962, 2725729, 5451458, 7535839, 15071678, 128109263, 256218526]

約数ペア:

[(1, 256218526), (2, 128109263), (17, 15071678), (34, 7535839), (47, 5451458), (94, 2725729), (223, 1148962), (446, 574481), (719, 356354), (799, 320674), (1438, 178177), (1598, 160337), (3791, 67586), (7582, 33793), (10481, 24446), (12223, 20962)]