38969728

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 97136640

約数和(自身を除く): 58166912

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 61, 62, 64, 92, 112, 122, 124, 128, 161, 184, 217, 224, 244, 248, 322, 368, 427, 434, 448, 488, 496, 644, 713, 736, 854, 868, 896, 976, 992, 1288, 1403, 1426, 1472, 1708, 1736, 1891, 1952, 1984, 2576, 2806, 2852, 2944, 3416, 3472, 3782, 3904, 3968, 4991, 5152, 5612, 5704, 6832, 6944, 7564, 7808, 9821, 9982, 10304, 11224, 11408, 13237, 13664, 13888, 15128, 19642, 19964, 20608, 22448, 22816, 26474, 27328, 27776, 30256, 39284, 39928, 43493, 44896, 45632, 52948, 54656, 60512, 78568, 79856, 86986, 89792, 91264, 105896, 121024, 157136, 159712, 173972, 179584, 211792, 242048, 304451, 314272, 319424, 347944, 423584, 608902, 628544, 638848, 695888, 847168, 1217804, 1257088, 1391776, 1694336, 2435608, 2783552, 4871216, 5567104, 9742432, 19484864, 38969728]

約数ペア:

[(1, 38969728), (2, 19484864), (4, 9742432), (7, 5567104), (8, 4871216), (14, 2783552), (16, 2435608), (23, 1694336), (28, 1391776), (31, 1257088), (32, 1217804), (46, 847168), (56, 695888), (61, 638848), (62, 628544), (64, 608902), (92, 423584), (112, 347944), (122, 319424), (124, 314272), (128, 304451), (161, 242048), (184, 211792), (217, 179584), (224, 173972), (244, 159712), (248, 157136), (322, 121024), (368, 105896), (427, 91264), (434, 89792), (448, 86986), (488, 79856), (496, 78568), (644, 60512), (713, 54656), (736, 52948), (854, 45632), (868, 44896), (896, 43493), (976, 39928), (992, 39284), (1288, 30256), (1403, 27776), (1426, 27328), (1472, 26474), (1708, 22816), (1736, 22448), (1891, 20608), (1952, 19964), (1984, 19642), (2576, 15128), (2806, 13888), (2852, 13664), (2944, 13237), (3416, 11408), (3472, 11224), (3782, 10304), (3904, 9982), (3968, 9821), (4991, 7808), (5152, 7564), (5612, 6944), (5704, 6832)]