16978514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 16199086

約数列:

[1, 2, 7, 14, 19, 29, 31, 38, 58, 62, 71, 133, 142, 203, 217, 266, 406, 434, 497, 551, 589, 899, 994, 1102, 1178, 1349, 1798, 2059, 2201, 2698, 3857, 4118, 4123, 4402, 6293, 7714, 8246, 9443, 12586, 14413, 15407, 17081, 18886, 28826, 30814, 34162, 39121, 41819, 63829, 78242, 83638, 119567, 127658, 239134, 273847, 292733, 446803, 547694, 585466, 893606, 1212751, 2425502, 8489257, 16978514]

約数ペア:

[(1, 16978514), (2, 8489257), (7, 2425502), (14, 1212751), (19, 893606), (29, 585466), (31, 547694), (38, 446803), (58, 292733), (62, 273847), (71, 239134), (133, 127658), (142, 119567), (203, 83638), (217, 78242), (266, 63829), (406, 41819), (434, 39121), (497, 34162), (551, 30814), (589, 28826), (899, 18886), (994, 17081), (1102, 15407), (1178, 14413), (1349, 12586), (1798, 9443), (2059, 8246), (2201, 7714), (2698, 6293), (3857, 4402), (4118, 4123)]