128712976

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9049}}^1$

素因数の和:9191

約数の個数: 40

約数和(自身を含む): 287283200

約数和(自身を除く): 158570224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 9049, 14224, 18098, 36196, 63343, 72392, 126686, 144784, 253372, 506744, 1013488, 1149223, 2298446, 4596892, 8044561, 9193784, 16089122, 18387568, 32178244, 64356488, 128712976]

約数ペア:

[(1, 128712976), (2, 64356488), (4, 32178244), (7, 18387568), (8, 16089122), (14, 9193784), (16, 8044561), (28, 4596892), (56, 2298446), (112, 1149223), (127, 1013488), (254, 506744), (508, 253372), (889, 144784), (1016, 126686), (1778, 72392), (2032, 63343), (3556, 36196), (7112, 18098), (9049, 14224)]