81721684096

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2888917}}^1$

素因数の和:2888961

約数の個数: 64

約数和(自身を含む): 185641870680

約数和(自身を除く): 103920186584

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 3536, 7072, 14144, 28288, 2888917, 5777834, 11555668, 23111336, 37555921, 46222672, 49111589, 75111842, 92445344, 98223178, 150223684, 184890688, 196446356, 300447368, 369781376, 392892712, 600894736, 638450657, 785785424, 1201789472, 1276901314, 1571570848, 2403578944, 2553802628, 3143141696, 4807157888, 5107605256, 6286283392, 10215210512, 20430421024, 40860842048, 81721684096]

約数ペア:

[(1, 81721684096), (2, 40860842048), (4, 20430421024), (8, 10215210512), (13, 6286283392), (16, 5107605256), (17, 4807157888), (26, 3143141696), (32, 2553802628), (34, 2403578944), (52, 1571570848), (64, 1276901314), (68, 1201789472), (104, 785785424), (128, 638450657), (136, 600894736), (208, 392892712), (221, 369781376), (272, 300447368), (416, 196446356), (442, 184890688), (544, 150223684), (832, 98223178), (884, 92445344), (1088, 75111842), (1664, 49111589), (1768, 46222672), (2176, 37555921), (3536, 23111336), (7072, 11555668), (14144, 5777834), (28288, 2888917)]