15958784

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 35688240

約数和(自身を除く): 19729456

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, 544, 608, 646, 772, 1088, 1216, 1292, 1544, 2176, 2432, 2584, 3088, 3281, 3667, 4352, 4864, 5168, 6176, 6562, 7334, 10336, 12352, 13124, 14668, 20672, 24704, 26248, 29336, 41344, 49408, 52496, 58672, 62339, 82688, 104992, 117344, 124678, 209984, 234688, 249356, 419968, 469376, 498712, 839936, 938752, 997424, 1994848, 3989696, 7979392, 15958784]

約数ペア:

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