28017796

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 49896000

約数和(自身を除く): 21878204

約数列:

[1, 2, 4, 109, 179, 218, 358, 359, 436, 716, 718, 1436, 19511, 39022, 39131, 64261, 78044, 78262, 128522, 156524, 257044, 7004449, 14008898, 28017796]

約数ペア:

[(1, 28017796), (2, 14008898), (4, 7004449), (109, 257044), (179, 156524), (218, 128522), (358, 78262), (359, 78044), (436, 64261), (716, 39131), (718, 39022), (1436, 19511)]