13071212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 30256128

約数和(自身を除く): 17184916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 37, 44, 62, 74, 77, 124, 148, 154, 217, 259, 308, 341, 407, 434, 518, 682, 814, 868, 1036, 1147, 1364, 1369, 1628, 2294, 2387, 2738, 2849, 4588, 4774, 5476, 5698, 8029, 9548, 9583, 11396, 12617, 15059, 16058, 19166, 25234, 30118, 32116, 38332, 42439, 50468, 60236, 84878, 88319, 105413, 169756, 176638, 210826, 297073, 353276, 421652, 466829, 594146, 933658, 1188292, 1867316, 3267803, 6535606, 13071212]

約数ペア:

[(1, 13071212), (2, 6535606), (4, 3267803), (7, 1867316), (11, 1188292), (14, 933658), (22, 594146), (28, 466829), (31, 421652), (37, 353276), (44, 297073), (62, 210826), (74, 176638), (77, 169756), (124, 105413), (148, 88319), (154, 84878), (217, 60236), (259, 50468), (308, 42439), (341, 38332), (407, 32116), (434, 30118), (518, 25234), (682, 19166), (814, 16058), (868, 15059), (1036, 12617), (1147, 11396), (1364, 9583), (1369, 9548), (1628, 8029), (2294, 5698), (2387, 5476), (2738, 4774), (2849, 4588)]