77902748

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 72

約数和(自身を含む): 180641664

約数和(自身を除く): 102738916

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 154, 161, 196, 253, 308, 322, 506, 539, 644, 1012, 1078, 1127, 1571, 1771, 2156, 2254, 3142, 3542, 4508, 6284, 7084, 10997, 12397, 17281, 21994, 24794, 34562, 36133, 43988, 49588, 69124, 72266, 76979, 120967, 144532, 153958, 241934, 252931, 307916, 397463, 483868, 505862, 794926, 846769, 1011724, 1589852, 1693538, 1770517, 2782241, 3387076, 3541034, 5564482, 7082068, 11128964, 19475687, 38951374, 77902748]

約数ペア:

[(1, 77902748), (2, 38951374), (4, 19475687), (7, 11128964), (11, 7082068), (14, 5564482), (22, 3541034), (23, 3387076), (28, 2782241), (44, 1770517), (46, 1693538), (49, 1589852), (77, 1011724), (92, 846769), (98, 794926), (154, 505862), (161, 483868), (196, 397463), (253, 307916), (308, 252931), (322, 241934), (506, 153958), (539, 144532), (644, 120967), (1012, 76979), (1078, 72266), (1127, 69124), (1571, 49588), (1771, 43988), (2156, 36133), (2254, 34562), (3142, 24794), (3542, 21994), (4508, 17281), (6284, 12397), (7084, 10997)]