81243136

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:409

約数の個数: 88

約数和(自身を含む): 185703840

約数和(自身を除く): 104460704

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 359, 416, 442, 512, 544, 718, 832, 884, 1024, 1088, 1436, 1664, 1768, 2176, 2872, 3328, 3536, 4352, 4667, 5744, 6103, 6656, 7072, 8704, 9334, 11488, 12206, 13312, 14144, 17408, 18668, 22976, 24412, 28288, 37336, 45952, 48824, 56576, 74672, 79339, 91904, 97648, 113152, 149344, 158678, 183808, 195296, 226304, 298688, 317356, 367616, 390592, 597376, 634712, 781184, 1194752, 1269424, 1562368, 2389504, 2538848, 3124736, 4779008, 5077696, 6249472, 10155392, 20310784, 40621568, 81243136]

約数ペア:

[(1, 81243136), (2, 40621568), (4, 20310784), (8, 10155392), (13, 6249472), (16, 5077696), (17, 4779008), (26, 3124736), (32, 2538848), (34, 2389504), (52, 1562368), (64, 1269424), (68, 1194752), (104, 781184), (128, 634712), (136, 597376), (208, 390592), (221, 367616), (256, 317356), (272, 298688), (359, 226304), (416, 195296), (442, 183808), (512, 158678), (544, 149344), (718, 113152), (832, 97648), (884, 91904), (1024, 79339), (1088, 74672), (1436, 56576), (1664, 48824), (1768, 45952), (2176, 37336), (2872, 28288), (3328, 24412), (3536, 22976), (4352, 18668), (4667, 17408), (5744, 14144), (6103, 13312), (6656, 12206), (7072, 11488), (8704, 9334)]