655266890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{16493}}^1$

素因数の和:16666

約数の個数: 32

約数和(自身を含む): 1229132880

約数和(自身を除く): 573865990

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 274, 290, 685, 1370, 3973, 7946, 16493, 19865, 32986, 39730, 82465, 164930, 478297, 956594, 2259541, 2391485, 4519082, 4782970, 11297705, 22595410, 65526689, 131053378, 327633445, 655266890]

約数ペア:

[(1, 655266890), (2, 327633445), (5, 131053378), (10, 65526689), (29, 22595410), (58, 11297705), (137, 4782970), (145, 4519082), (274, 2391485), (290, 2259541), (685, 956594), (1370, 478297), (3973, 164930), (7946, 82465), (16493, 39730), (19865, 32986)]