31917568

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 71446320

約数和(自身を除く): 39528752

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 193, 256, 272, 304, 323, 386, 512, 544, 608, 646, 772, 1088, 1216, 1292, 1544, 2176, 2432, 2584, 3088, 3281, 3667, 4352, 4864, 5168, 6176, 6562, 7334, 8704, 9728, 10336, 12352, 13124, 14668, 20672, 24704, 26248, 29336, 41344, 49408, 52496, 58672, 62339, 82688, 98816, 104992, 117344, 124678, 165376, 209984, 234688, 249356, 419968, 469376, 498712, 839936, 938752, 997424, 1679872, 1877504, 1994848, 3989696, 7979392, 15958784, 31917568]

約数ペア:

[(1, 31917568), (2, 15958784), (4, 7979392), (8, 3989696), (16, 1994848), (17, 1877504), (19, 1679872), (32, 997424), (34, 938752), (38, 839936), (64, 498712), (68, 469376), (76, 419968), (128, 249356), (136, 234688), (152, 209984), (193, 165376), (256, 124678), (272, 117344), (304, 104992), (323, 98816), (386, 82688), (512, 62339), (544, 58672), (608, 52496), (646, 49408), (772, 41344), (1088, 29336), (1216, 26248), (1292, 24704), (1544, 20672), (2176, 14668), (2432, 13124), (2584, 12352), (3088, 10336), (3281, 9728), (3667, 8704), (4352, 7334), (4864, 6562), (5168, 6176)]