81386328

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3137}}^1$

素因数の和:3216

約数の個数: 64

約数和(自身を含む): 216898560

約数和(自身を除く): 135512232

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 47, 69, 92, 94, 138, 141, 184, 188, 276, 282, 376, 552, 564, 1081, 1128, 2162, 3137, 3243, 4324, 6274, 6486, 8648, 9411, 12548, 12972, 18822, 25096, 25944, 37644, 72151, 75288, 144302, 147439, 216453, 288604, 294878, 432906, 442317, 577208, 589756, 865812, 884634, 1179512, 1731624, 1769268, 3391097, 3538536, 6782194, 10173291, 13564388, 20346582, 27128776, 40693164, 81386328]

約数ペア:

[(1, 81386328), (2, 40693164), (3, 27128776), (4, 20346582), (6, 13564388), (8, 10173291), (12, 6782194), (23, 3538536), (24, 3391097), (46, 1769268), (47, 1731624), (69, 1179512), (92, 884634), (94, 865812), (138, 589756), (141, 577208), (184, 442317), (188, 432906), (276, 294878), (282, 288604), (376, 216453), (552, 147439), (564, 144302), (1081, 75288), (1128, 72151), (2162, 37644), (3137, 25944), (3243, 25096), (4324, 18822), (6274, 12972), (6486, 12548), (8648, 9411)]