31140428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 61797120

約数和(自身を除く): 30656692

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 109, 151, 172, 218, 302, 436, 473, 604, 946, 1199, 1661, 1892, 2398, 3322, 4687, 4796, 6493, 6644, 9374, 12986, 16459, 18748, 25972, 32918, 51557, 65836, 71423, 103114, 142846, 181049, 206228, 285692, 362098, 707737, 724196, 1415474, 2830948, 7785107, 15570214, 31140428]

約数ペア:

[(1, 31140428), (2, 15570214), (4, 7785107), (11, 2830948), (22, 1415474), (43, 724196), (44, 707737), (86, 362098), (109, 285692), (151, 206228), (172, 181049), (218, 142846), (302, 103114), (436, 71423), (473, 65836), (604, 51557), (946, 32918), (1199, 25972), (1661, 18748), (1892, 16459), (2398, 12986), (3322, 9374), (4687, 6644), (4796, 6493)]