27981184

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 46046336

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 64, 68, 77, 88, 112, 119, 128, 136, 154, 167, 176, 187, 224, 238, 272, 308, 334, 352, 374, 448, 476, 544, 616, 668, 704, 748, 896, 952, 1088, 1169, 1232, 1309, 1336, 1408, 1496, 1837, 1904, 2176, 2338, 2464, 2618, 2672, 2839, 2992, 3674, 3808, 4676, 4928, 5236, 5344, 5678, 5984, 7348, 7616, 9352, 9856, 10472, 10688, 11356, 11968, 12859, 14696, 15232, 18704, 19873, 20944, 21376, 22712, 23936, 25718, 29392, 31229, 37408, 39746, 41888, 45424, 51436, 58784, 62458, 74816, 79492, 83776, 90848, 102872, 117568, 124916, 149632, 158984, 167552, 181696, 205744, 218603, 235136, 249832, 317968, 363392, 411488, 437206, 499664, 635936, 822976, 874412, 999328, 1271872, 1645952, 1748824, 1998656, 2543744, 3497648, 3997312, 6995296, 13990592, 27981184]

約数ペア:

[(1, 27981184), (2, 13990592), (4, 6995296), (7, 3997312), (8, 3497648), (11, 2543744), (14, 1998656), (16, 1748824), (17, 1645952), (22, 1271872), (28, 999328), (32, 874412), (34, 822976), (44, 635936), (56, 499664), (64, 437206), (68, 411488), (77, 363392), (88, 317968), (112, 249832), (119, 235136), (128, 218603), (136, 205744), (154, 181696), (167, 167552), (176, 158984), (187, 149632), (224, 124916), (238, 117568), (272, 102872), (308, 90848), (334, 83776), (352, 79492), (374, 74816), (448, 62458), (476, 58784), (544, 51436), (616, 45424), (668, 41888), (704, 39746), (748, 37408), (896, 31229), (952, 29392), (1088, 25718), (1169, 23936), (1232, 22712), (1309, 21376), (1336, 20944), (1408, 19873), (1496, 18704), (1837, 15232), (1904, 14696), (2176, 12859), (2338, 11968), (2464, 11356), (2618, 10688), (2672, 10472), (2839, 9856), (2992, 9352), (3674, 7616), (3808, 7348), (4676, 5984), (4928, 5678), (5236, 5344)]