809366978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1695

約数の個数: 64

約数和(自身を含む): 1528934400

約数和(自身を除く): 719567422

約数列:

[1, 2, 7, 14, 19, 38, 41, 47, 82, 94, 133, 266, 287, 329, 574, 658, 779, 893, 1558, 1579, 1786, 1927, 3158, 3854, 5453, 6251, 10906, 11053, 12502, 13489, 22106, 26978, 30001, 36613, 60002, 64739, 73226, 74213, 129478, 148426, 210007, 256291, 420014, 453173, 512582, 519491, 906346, 1038982, 1230041, 1410047, 2460082, 2820094, 3042733, 6085466, 8610287, 9870329, 17220574, 19740658, 21299131, 42598262, 57811927, 115623854, 404683489, 809366978]

約数ペア:

[(1, 809366978), (2, 404683489), (7, 115623854), (14, 57811927), (19, 42598262), (38, 21299131), (41, 19740658), (47, 17220574), (82, 9870329), (94, 8610287), (133, 6085466), (266, 3042733), (287, 2820094), (329, 2460082), (574, 1410047), (658, 1230041), (779, 1038982), (893, 906346), (1558, 519491), (1579, 512582), (1786, 453173), (1927, 420014), (3158, 256291), (3854, 210007), (5453, 148426), (6251, 129478), (10906, 74213), (11053, 73226), (12502, 64739), (13489, 60002), (22106, 36613), (26978, 30001)]