991035032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{3169}}^1$

素因数の和:3316

約数の個数: 64

約数和(自身を含む): 2087635200

約数和(自身を除く): 1096600168

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 97, 104, 124, 194, 248, 388, 403, 776, 806, 1261, 1612, 2522, 3007, 3169, 3224, 5044, 6014, 6338, 10088, 12028, 12676, 24056, 25352, 39091, 41197, 78182, 82394, 98239, 156364, 164788, 196478, 307393, 312728, 329576, 392956, 614786, 785912, 1229572, 1277107, 2459144, 2554214, 3996109, 5108428, 7992218, 9529183, 10216856, 15984436, 19058366, 31968872, 38116732, 76233464, 123879379, 247758758, 495517516, 991035032]

約数ペア:

[(1, 991035032), (2, 495517516), (4, 247758758), (8, 123879379), (13, 76233464), (26, 38116732), (31, 31968872), (52, 19058366), (62, 15984436), (97, 10216856), (104, 9529183), (124, 7992218), (194, 5108428), (248, 3996109), (388, 2554214), (403, 2459144), (776, 1277107), (806, 1229572), (1261, 785912), (1612, 614786), (2522, 392956), (3007, 329576), (3169, 312728), (3224, 307393), (5044, 196478), (6014, 164788), (6338, 156364), (10088, 98239), (12028, 82394), (12676, 78182), (24056, 41197), (25352, 39091)]