821638662

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5791}}^1$

素因数の和:5933

約数の個数: 64

約数和(自身を含む): 1891620864

約数和(自身を除く): 1069982202

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 107, 214, 221, 321, 442, 642, 663, 1326, 1391, 1819, 2782, 3638, 4173, 5457, 5791, 8346, 10914, 11582, 17373, 23647, 34746, 47294, 70941, 75283, 98447, 141882, 150566, 196894, 225849, 295341, 451698, 590682, 619637, 1239274, 1279811, 1858911, 2559622, 3717822, 3839433, 7678866, 8055281, 10533829, 16110562, 21067658, 24165843, 31601487, 48331686, 63202974, 136939777, 273879554, 410819331, 821638662]

約数ペア:

[(1, 821638662), (2, 410819331), (3, 273879554), (6, 136939777), (13, 63202974), (17, 48331686), (26, 31601487), (34, 24165843), (39, 21067658), (51, 16110562), (78, 10533829), (102, 8055281), (107, 7678866), (214, 3839433), (221, 3717822), (321, 2559622), (442, 1858911), (642, 1279811), (663, 1239274), (1326, 619637), (1391, 590682), (1819, 451698), (2782, 295341), (3638, 225849), (4173, 196894), (5457, 150566), (5791, 141882), (8346, 98447), (10914, 75283), (11582, 70941), (17373, 47294), (23647, 34746)]