81967744

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 174787200

約数和(自身を除く): 92819456

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 139, 271, 272, 278, 542, 544, 556, 1084, 1088, 1112, 2168, 2176, 2224, 2363, 4336, 4448, 4607, 4726, 8672, 8896, 9214, 9452, 17344, 17792, 18428, 18904, 34688, 36856, 37669, 37808, 73712, 75338, 75616, 147424, 150676, 151232, 294848, 301352, 302464, 589696, 602704, 640373, 1205408, 1280746, 2410816, 2561492, 4821632, 5122984, 10245968, 20491936, 40983872, 81967744]

約数ペア:

[(1, 81967744), (2, 40983872), (4, 20491936), (8, 10245968), (16, 5122984), (17, 4821632), (32, 2561492), (34, 2410816), (64, 1280746), (68, 1205408), (128, 640373), (136, 602704), (139, 589696), (271, 302464), (272, 301352), (278, 294848), (542, 151232), (544, 150676), (556, 147424), (1084, 75616), (1088, 75338), (1112, 73712), (2168, 37808), (2176, 37669), (2224, 36856), (2363, 34688), (4336, 18904), (4448, 18428), (4607, 17792), (4726, 17344), (8672, 9452), (8896, 9214)]