1247983856

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{3001}}^1$

素因数の和:3142

約数の個数: 80

約数和(自身を含む): 2858864640

約数和(自身を除く): 1610880784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 79, 94, 112, 158, 188, 316, 329, 376, 553, 632, 658, 752, 1106, 1264, 1316, 2212, 2632, 3001, 3713, 4424, 5264, 6002, 7426, 8848, 12004, 14852, 21007, 24008, 25991, 29704, 42014, 48016, 51982, 59408, 84028, 103964, 141047, 168056, 207928, 237079, 282094, 336112, 415856, 474158, 564188, 948316, 987329, 1128376, 1659553, 1896632, 1974658, 2256752, 3319106, 3793264, 3949316, 6638212, 7898632, 11142713, 13276424, 15797264, 22285426, 26552848, 44570852, 77998991, 89141704, 155997982, 178283408, 311995964, 623991928, 1247983856]

約数ペア:

[(1, 1247983856), (2, 623991928), (4, 311995964), (7, 178283408), (8, 155997982), (14, 89141704), (16, 77998991), (28, 44570852), (47, 26552848), (56, 22285426), (79, 15797264), (94, 13276424), (112, 11142713), (158, 7898632), (188, 6638212), (316, 3949316), (329, 3793264), (376, 3319106), (553, 2256752), (632, 1974658), (658, 1896632), (752, 1659553), (1106, 1128376), (1264, 987329), (1316, 948316), (2212, 564188), (2632, 474158), (3001, 415856), (3713, 336112), (4424, 282094), (5264, 237079), (6002, 207928), (7426, 168056), (8848, 141047), (12004, 103964), (14852, 84028), (21007, 59408), (24008, 51982), (25991, 48016), (29704, 42014)]