28039564

素因数分解:

$2^2\times 7^3\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 30021236

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 191, 196, 214, 343, 382, 428, 686, 749, 764, 1337, 1372, 1498, 2674, 2996, 5243, 5348, 9359, 10486, 18718, 20437, 20972, 36701, 37436, 40874, 65513, 73402, 81748, 131026, 143059, 146804, 262052, 286118, 572236, 1001413, 2002826, 4005652, 7009891, 14019782, 28039564]

約数ペア:

[(1, 28039564), (2, 14019782), (4, 7009891), (7, 4005652), (14, 2002826), (28, 1001413), (49, 572236), (98, 286118), (107, 262052), (191, 146804), (196, 143059), (214, 131026), (343, 81748), (382, 73402), (428, 65513), (686, 40874), (749, 37436), (764, 36701), (1337, 20972), (1372, 20437), (1498, 18718), (2674, 10486), (2996, 9359), (5243, 5348)]