78688316

素因数分解:

$2^2\times 7^3\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 162758400

約数和(自身を除く): 84070084

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 343, 581, 686, 691, 1162, 1372, 1382, 2324, 2764, 4067, 4837, 8134, 9674, 16268, 19348, 28469, 33859, 56938, 57353, 67718, 113876, 114706, 135436, 229412, 237013, 401471, 474026, 802942, 948052, 1605884, 2810297, 5620594, 11241188, 19672079, 39344158, 78688316]

約数ペア:

[(1, 78688316), (2, 39344158), (4, 19672079), (7, 11241188), (14, 5620594), (28, 2810297), (49, 1605884), (83, 948052), (98, 802942), (166, 474026), (196, 401471), (332, 237013), (343, 229412), (581, 135436), (686, 114706), (691, 113876), (1162, 67718), (1372, 57353), (1382, 56938), (2324, 33859), (2764, 28469), (4067, 19348), (4837, 16268), (8134, 9674)]