278399552

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{809}}^1$

素因数の和:1123

約数の個数: 56

約数和(自身を含む): 584301600

約数和(自身を除く): 305902048

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 283, 304, 566, 608, 809, 1132, 1216, 1618, 2264, 3236, 4528, 5377, 6472, 9056, 10754, 12944, 15371, 18112, 21508, 25888, 30742, 43016, 51776, 61484, 86032, 122968, 172064, 228947, 245936, 344128, 457894, 491872, 915788, 983744, 1831576, 3663152, 4349993, 7326304, 8699986, 14652608, 17399972, 34799944, 69599888, 139199776, 278399552]

約数ペア:

[(1, 278399552), (2, 139199776), (4, 69599888), (8, 34799944), (16, 17399972), (19, 14652608), (32, 8699986), (38, 7326304), (64, 4349993), (76, 3663152), (152, 1831576), (283, 983744), (304, 915788), (566, 491872), (608, 457894), (809, 344128), (1132, 245936), (1216, 228947), (1618, 172064), (2264, 122968), (3236, 86032), (4528, 61484), (5377, 51776), (6472, 43016), (9056, 30742), (10754, 25888), (12944, 21508), (15371, 18112)]