1991627904

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17231}}^1$

素因数の和:17298

約数の個数: 128

約数和(自身を含む): 6186977280

約数和(自身を除く): 4195349376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 64, 84, 86, 96, 112, 128, 129, 168, 172, 192, 224, 258, 301, 336, 344, 384, 448, 516, 602, 672, 688, 896, 903, 1032, 1204, 1344, 1376, 1806, 2064, 2408, 2688, 2752, 3612, 4128, 4816, 5504, 7224, 8256, 9632, 14448, 16512, 17231, 19264, 28896, 34462, 38528, 51693, 57792, 68924, 103386, 115584, 120617, 137848, 206772, 241234, 275696, 361851, 413544, 482468, 551392, 723702, 740933, 827088, 964936, 1102784, 1447404, 1481866, 1654176, 1929872, 2205568, 2222799, 2894808, 2963732, 3308352, 3859744, 4445598, 5186531, 5789616, 5927464, 6616704, 7719488, 8891196, 10373062, 11579232, 11854928, 15438976, 15559593, 17782392, 20746124, 23158464, 23709856, 31119186, 35564784, 41492248, 46316928, 47419712, 62238372, 71129568, 82984496, 94839424, 124476744, 142259136, 165968992, 248953488, 284518272, 331937984, 497906976, 663875968, 995813952, 1991627904]

約数ペア:

[(1, 1991627904), (2, 995813952), (3, 663875968), (4, 497906976), (6, 331937984), (7, 284518272), (8, 248953488), (12, 165968992), (14, 142259136), (16, 124476744), (21, 94839424), (24, 82984496), (28, 71129568), (32, 62238372), (42, 47419712), (43, 46316928), (48, 41492248), (56, 35564784), (64, 31119186), (84, 23709856), (86, 23158464), (96, 20746124), (112, 17782392), (128, 15559593), (129, 15438976), (168, 11854928), (172, 11579232), (192, 10373062), (224, 8891196), (258, 7719488), (301, 6616704), (336, 5927464), (344, 5789616), (384, 5186531), (448, 4445598), (516, 3859744), (602, 3308352), (672, 2963732), (688, 2894808), (896, 2222799), (903, 2205568), (1032, 1929872), (1204, 1654176), (1344, 1481866), (1376, 1447404), (1806, 1102784), (2064, 964936), (2408, 827088), (2688, 740933), (2752, 723702), (3612, 551392), (4128, 482468), (4816, 413544), (5504, 361851), (7224, 275696), (8256, 241234), (9632, 206772), (14448, 137848), (16512, 120617), (17231, 115584), (19264, 103386), (28896, 68924), (34462, 57792), (38528, 51693)]