28959196

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2170

約数の個数: 36

約数和(自身を含む): 59811696

約数和(自身を除く): 30852500

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 2081, 3479, 4162, 6958, 8324, 13916, 14567, 29134, 58268, 101969, 147751, 203938, 295502, 407876, 591004, 1034257, 2068514, 4137028, 7239799, 14479598, 28959196]

約数ペア:

[(1, 28959196), (2, 14479598), (4, 7239799), (7, 4137028), (14, 2068514), (28, 1034257), (49, 591004), (71, 407876), (98, 295502), (142, 203938), (196, 147751), (284, 101969), (497, 58268), (994, 29134), (1988, 14567), (2081, 13916), (3479, 8324), (4162, 6958)]