31795712

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 72698472

約数和(自身を除く): 40902760

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 281, 416, 442, 512, 544, 562, 832, 884, 1088, 1124, 1664, 1768, 2176, 2248, 3328, 3536, 3653, 4352, 4496, 4777, 6656, 7072, 7306, 8704, 8992, 9554, 14144, 14612, 17984, 19108, 28288, 29224, 35968, 38216, 56576, 58448, 62101, 71936, 76432, 113152, 116896, 124202, 143872, 152864, 233792, 248404, 305728, 467584, 496808, 611456, 935168, 993616, 1222912, 1870336, 1987232, 2445824, 3974464, 7948928, 15897856, 31795712]

約数ペア:

[(1, 31795712), (2, 15897856), (4, 7948928), (8, 3974464), (13, 2445824), (16, 1987232), (17, 1870336), (26, 1222912), (32, 993616), (34, 935168), (52, 611456), (64, 496808), (68, 467584), (104, 305728), (128, 248404), (136, 233792), (208, 152864), (221, 143872), (256, 124202), (272, 116896), (281, 113152), (416, 76432), (442, 71936), (512, 62101), (544, 58448), (562, 56576), (832, 38216), (884, 35968), (1088, 29224), (1124, 28288), (1664, 19108), (1768, 17984), (2176, 14612), (2248, 14144), (3328, 9554), (3536, 8992), (3653, 8704), (4352, 7306), (4496, 7072), (4777, 6656)]