71121490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1801}}^1$

素因数の和:2178

約数の個数: 32

約数和(自身を含む): 140123520

約数和(自身を除く): 69002030

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 359, 718, 1795, 1801, 3590, 3602, 3949, 7898, 9005, 18010, 19745, 19811, 39490, 39622, 99055, 198110, 646559, 1293118, 3232795, 6465590, 7112149, 14224298, 35560745, 71121490]

約数ペア:

[(1, 71121490), (2, 35560745), (5, 14224298), (10, 7112149), (11, 6465590), (22, 3232795), (55, 1293118), (110, 646559), (359, 198110), (718, 99055), (1795, 39622), (1801, 39490), (3590, 19811), (3602, 19745), (3949, 18010), (7898, 9005)]