395280277

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 503193600

約数和(自身を除く): 107913323

約数列:

[1, 7, 17, 23, 119, 139, 161, 391, 973, 1039, 2363, 2737, 3197, 7273, 16541, 17663, 22379, 23897, 54349, 123641, 144421, 167279, 380443, 406249, 1010947, 2455157, 2843743, 3321683, 17186099, 23251781, 56468611, 395280277]

約数ペア:

[(1, 395280277), (7, 56468611), (17, 23251781), (23, 17186099), (119, 3321683), (139, 2843743), (161, 2455157), (391, 1010947), (973, 406249), (1039, 380443), (2363, 167279), (2737, 144421), (3197, 123641), (7273, 54349), (16541, 23897), (17663, 22379)]