205123886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 369515520

約数和(自身を除く): 164391634

約数列:

[1, 2, 11, 19, 22, 38, 47, 53, 94, 106, 197, 209, 394, 418, 517, 583, 893, 1007, 1034, 1166, 1786, 2014, 2167, 2491, 3743, 4334, 4982, 7486, 9259, 9823, 10441, 11077, 18518, 19646, 20882, 22154, 27401, 41173, 47329, 54802, 82346, 94658, 101849, 114851, 175921, 198379, 203698, 229702, 351842, 396758, 490727, 520619, 981454, 1041238, 1935131, 2182169, 3870262, 4364338, 5397997, 9323813, 10795994, 18647626, 102561943, 205123886]

約数ペア:

[(1, 205123886), (2, 102561943), (11, 18647626), (19, 10795994), (22, 9323813), (38, 5397997), (47, 4364338), (53, 3870262), (94, 2182169), (106, 1935131), (197, 1041238), (209, 981454), (394, 520619), (418, 490727), (517, 396758), (583, 351842), (893, 229702), (1007, 203698), (1034, 198379), (1166, 175921), (1786, 114851), (2014, 101849), (2167, 94658), (2491, 82346), (3743, 54802), (4334, 47329), (4982, 41173), (7486, 27401), (9259, 22154), (9823, 20882), (10441, 19646), (11077, 18518)]