128826558

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{340811}}^1$

素因数の和:340829

約数の個数: 32

約数和(自身を含む): 327179520

約数和(自身を除く): 198352962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 340811, 681622, 1022433, 2044866, 2385677, 3067299, 4771354, 6134598, 7157031, 9201897, 14314062, 18403794, 21471093, 42942186, 64413279, 128826558]

約数ペア:

[(1, 128826558), (2, 64413279), (3, 42942186), (6, 21471093), (7, 18403794), (9, 14314062), (14, 9201897), (18, 7157031), (21, 6134598), (27, 4771354), (42, 3067299), (54, 2385677), (63, 2044866), (126, 1022433), (189, 681622), (378, 340811)]