128212656

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18679}}^1$

素因数の和:18714

約数の個数: 80

約数和(自身を含む): 389141760

約数和(自身を除く): 260929104

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 3432, 6864, 18679, 37358, 56037, 74716, 112074, 149432, 205469, 224148, 242827, 298864, 410938, 448296, 485654, 616407, 728481, 821876, 896592, 971308, 1232814, 1456962, 1643752, 1942616, 2465628, 2671097, 2913924, 3287504, 3885232, 4931256, 5342194, 5827848, 8013291, 9862512, 10684388, 11655696, 16026582, 21368776, 32053164, 42737552, 64106328, 128212656]

約数ペア:

[(1, 128212656), (2, 64106328), (3, 42737552), (4, 32053164), (6, 21368776), (8, 16026582), (11, 11655696), (12, 10684388), (13, 9862512), (16, 8013291), (22, 5827848), (24, 5342194), (26, 4931256), (33, 3885232), (39, 3287504), (44, 2913924), (48, 2671097), (52, 2465628), (66, 1942616), (78, 1643752), (88, 1456962), (104, 1232814), (132, 971308), (143, 896592), (156, 821876), (176, 728481), (208, 616407), (264, 485654), (286, 448296), (312, 410938), (429, 298864), (528, 242827), (572, 224148), (624, 205469), (858, 149432), (1144, 112074), (1716, 74716), (2288, 56037), (3432, 37358), (6864, 18679)]