128217908

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{50321}}^1$

素因数の和:50352

約数の個数: 36

約数和(自身を含む): 281098692

約数和(自身を除く): 152880784

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 50321, 100642, 201284, 352247, 654173, 704494, 1308346, 1408988, 2465729, 2616692, 4579211, 4931458, 9158422, 9862916, 18316844, 32054477, 64108954, 128217908]

約数ペア:

[(1, 128217908), (2, 64108954), (4, 32054477), (7, 18316844), (13, 9862916), (14, 9158422), (26, 4931458), (28, 4579211), (49, 2616692), (52, 2465729), (91, 1408988), (98, 1308346), (182, 704494), (196, 654173), (364, 352247), (637, 201284), (1274, 100642), (2548, 50321)]