128423718

素因数分解:

$2^1\times 3^4\times {\mathrm{311}}^1\times {\mathrm{2549}}^1$

素因数の和:2874

約数の個数: 40

約数和(自身を含む): 288802800

約数和(自身を除く): 160379082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 311, 622, 933, 1866, 2549, 2799, 5098, 5598, 7647, 8397, 15294, 16794, 22941, 25191, 45882, 50382, 68823, 137646, 206469, 412938, 792739, 1585478, 2378217, 4756434, 7134651, 14269302, 21403953, 42807906, 64211859, 128423718]

約数ペア:

[(1, 128423718), (2, 64211859), (3, 42807906), (6, 21403953), (9, 14269302), (18, 7134651), (27, 4756434), (54, 2378217), (81, 1585478), (162, 792739), (311, 412938), (622, 206469), (933, 137646), (1866, 68823), (2549, 50382), (2799, 45882), (5098, 25191), (5598, 22941), (7647, 16794), (8397, 15294)]