40425217

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 11184383

約数列:

[1, 7, 19, 29, 47, 133, 203, 223, 329, 551, 893, 1363, 1561, 3857, 4237, 6251, 6467, 9541, 10481, 25897, 29659, 45269, 73367, 122873, 181279, 199139, 303949, 860111, 1393973, 2127643, 5775031, 40425217]

約数ペア:

[(1, 40425217), (7, 5775031), (19, 2127643), (29, 1393973), (47, 860111), (133, 303949), (203, 199139), (223, 181279), (329, 122873), (551, 73367), (893, 45269), (1363, 29659), (1561, 25897), (3857, 10481), (4237, 9541), (6251, 6467)]