225940421

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 295488000

約数和(自身を除く): 69547579

約数列:

[1, 7, 17, 29, 47, 49, 119, 199, 203, 329, 493, 799, 833, 1363, 1393, 1421, 2303, 3383, 3451, 5593, 5771, 9353, 9541, 9751, 23171, 23681, 24157, 39151, 40397, 65471, 66787, 98107, 159001, 162197, 165767, 271237, 282779, 458297, 686749, 1113007, 1135379, 1898659, 4611029, 4807243, 7791049, 13290613, 32277203, 225940421]

約数ペア:

[(1, 225940421), (7, 32277203), (17, 13290613), (29, 7791049), (47, 4807243), (49, 4611029), (119, 1898659), (199, 1135379), (203, 1113007), (329, 686749), (493, 458297), (799, 282779), (833, 271237), (1363, 165767), (1393, 162197), (1421, 159001), (2303, 98107), (3383, 66787), (3451, 65471), (5593, 40397), (5771, 39151), (9353, 24157), (9541, 23681), (9751, 23171)]