154209748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 348328512

約数和(自身を除く): 194118764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 521, 682, 868, 961, 1042, 1364, 1922, 2084, 2387, 3647, 3844, 4774, 5731, 6727, 7294, 9548, 10571, 11462, 13454, 14588, 16151, 21142, 22924, 26908, 32302, 40117, 42284, 64604, 73997, 80234, 113057, 147994, 160468, 177661, 226114, 295988, 355322, 452228, 500681, 710644, 1001362, 1243627, 2002724, 2487254, 3504767, 4974508, 5507491, 7009534, 11014982, 14019068, 22029964, 38552437, 77104874, 154209748]

約数ペア:

[(1, 154209748), (2, 77104874), (4, 38552437), (7, 22029964), (11, 14019068), (14, 11014982), (22, 7009534), (28, 5507491), (31, 4974508), (44, 3504767), (62, 2487254), (77, 2002724), (124, 1243627), (154, 1001362), (217, 710644), (308, 500681), (341, 452228), (434, 355322), (521, 295988), (682, 226114), (868, 177661), (961, 160468), (1042, 147994), (1364, 113057), (1922, 80234), (2084, 73997), (2387, 64604), (3647, 42284), (3844, 40117), (4774, 32302), (5731, 26908), (6727, 22924), (7294, 21142), (9548, 16151), (10571, 14588), (11462, 13454)]