128488906

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 253612800

約数和(自身を除く): 125123894

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 73, 91, 133, 146, 182, 247, 266, 494, 509, 511, 949, 1018, 1022, 1387, 1729, 1898, 2774, 3458, 3563, 6617, 6643, 7126, 9671, 9709, 13234, 13286, 18031, 19342, 19418, 36062, 37157, 46319, 67697, 74314, 92638, 125723, 126217, 135394, 251446, 252434, 260099, 483041, 520198, 705983, 880061, 966082, 1411966, 1760122, 3381287, 4941881, 6762574, 9177779, 9883762, 18355558, 64244453, 128488906]

約数ペア:

[(1, 128488906), (2, 64244453), (7, 18355558), (13, 9883762), (14, 9177779), (19, 6762574), (26, 4941881), (38, 3381287), (73, 1760122), (91, 1411966), (133, 966082), (146, 880061), (182, 705983), (247, 520198), (266, 483041), (494, 260099), (509, 252434), (511, 251446), (949, 135394), (1018, 126217), (1022, 125723), (1387, 92638), (1729, 74314), (1898, 67697), (2774, 46319), (3458, 37157), (3563, 36062), (6617, 19418), (6643, 19342), (7126, 18031), (9671, 13286), (9709, 13234)]