131941888

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 80

約数和(自身を含む): 291137616

約数和(自身を除く): 159195728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 461, 512, 559, 688, 832, 922, 1118, 1376, 1664, 1844, 2236, 2752, 3328, 3688, 4472, 5504, 5993, 6656, 7376, 8944, 11008, 11986, 14752, 17888, 19823, 22016, 23972, 29504, 35776, 39646, 47944, 59008, 71552, 79292, 95888, 118016, 143104, 158584, 191776, 236032, 257699, 286208, 317168, 383552, 515398, 634336, 767104, 1030796, 1268672, 1534208, 2061592, 2537344, 3068416, 4123184, 5074688, 8246368, 10149376, 16492736, 32985472, 65970944, 131941888]

約数ペア:

[(1, 131941888), (2, 65970944), (4, 32985472), (8, 16492736), (13, 10149376), (16, 8246368), (26, 5074688), (32, 4123184), (43, 3068416), (52, 2537344), (64, 2061592), (86, 1534208), (104, 1268672), (128, 1030796), (172, 767104), (208, 634336), (256, 515398), (344, 383552), (416, 317168), (461, 286208), (512, 257699), (559, 236032), (688, 191776), (832, 158584), (922, 143104), (1118, 118016), (1376, 95888), (1664, 79292), (1844, 71552), (2236, 59008), (2752, 47944), (3328, 39646), (3688, 35776), (4472, 29504), (5504, 23972), (5993, 22016), (6656, 19823), (7376, 17888), (8944, 14752), (11008, 11986)]