81159512

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 179128320

約数和(自身を除く): 97968808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 97, 134, 194, 223, 268, 388, 446, 469, 536, 679, 776, 892, 938, 1358, 1561, 1784, 1876, 2716, 3122, 3752, 5432, 6244, 6499, 12488, 12998, 14941, 21631, 25996, 29882, 43262, 45493, 51992, 59764, 86524, 90986, 104587, 119528, 151417, 173048, 181972, 209174, 302834, 363944, 418348, 605668, 836696, 1211336, 1449277, 2898554, 5797108, 10144939, 11594216, 20289878, 40579756, 81159512]

約数ペア:

[(1, 81159512), (2, 40579756), (4, 20289878), (7, 11594216), (8, 10144939), (14, 5797108), (28, 2898554), (56, 1449277), (67, 1211336), (97, 836696), (134, 605668), (194, 418348), (223, 363944), (268, 302834), (388, 209174), (446, 181972), (469, 173048), (536, 151417), (679, 119528), (776, 104587), (892, 90986), (938, 86524), (1358, 59764), (1561, 51992), (1784, 45493), (1876, 43262), (2716, 29882), (3122, 25996), (3752, 21631), (5432, 14941), (6244, 12998), (6499, 12488)]