81651416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1597}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 193294080

約数和(自身を除く): 111642664

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 83, 88, 154, 166, 308, 332, 581, 616, 664, 913, 1162, 1597, 1826, 2324, 3194, 3652, 4648, 6388, 6391, 7304, 11179, 12776, 12782, 17567, 22358, 25564, 35134, 44716, 51128, 70268, 89432, 122969, 132551, 140536, 245938, 265102, 491876, 530204, 927857, 983752, 1060408, 1458061, 1855714, 2916122, 3711428, 5832244, 7422856, 10206427, 11664488, 20412854, 40825708, 81651416]

約数ペア:

[(1, 81651416), (2, 40825708), (4, 20412854), (7, 11664488), (8, 10206427), (11, 7422856), (14, 5832244), (22, 3711428), (28, 2916122), (44, 1855714), (56, 1458061), (77, 1060408), (83, 983752), (88, 927857), (154, 530204), (166, 491876), (308, 265102), (332, 245938), (581, 140536), (616, 132551), (664, 122969), (913, 89432), (1162, 70268), (1597, 51128), (1826, 44716), (2324, 35134), (3194, 25564), (3652, 22358), (4648, 17567), (6388, 12782), (6391, 12776), (7304, 11179)]