19998294029

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6959}}^1$

素因数の和:7074

約数の個数: 64

約数和(自身を含む): 26940211200

約数和(自身を除く): 6941917171

約数列:

[1, 7, 17, 19, 31, 41, 119, 133, 217, 287, 323, 527, 589, 697, 779, 1271, 2261, 3689, 4123, 4879, 5453, 6959, 8897, 10013, 13243, 21607, 24149, 48713, 70091, 92701, 118303, 132221, 151249, 169043, 215729, 285319, 410533, 828121, 925547, 1510103, 1997233, 2247757, 2873731, 3667393, 4098851, 4850423, 5421061, 8844889, 15734299, 25671751, 28691957, 33952961, 37947427, 61914223, 69680467, 92158037, 150363113, 168052891, 487763269, 645106259, 1052541791, 1176370237, 2856899147, 19998294029]

約数ペア:

[(1, 19998294029), (7, 2856899147), (17, 1176370237), (19, 1052541791), (31, 645106259), (41, 487763269), (119, 168052891), (133, 150363113), (217, 92158037), (287, 69680467), (323, 61914223), (527, 37947427), (589, 33952961), (697, 28691957), (779, 25671751), (1271, 15734299), (2261, 8844889), (3689, 5421061), (4123, 4850423), (4879, 4098851), (5453, 3667393), (6959, 2873731), (8897, 2247757), (10013, 1997233), (13243, 1510103), (21607, 925547), (24149, 828121), (48713, 410533), (70091, 285319), (92701, 215729), (118303, 169043), (132221, 151249)]