123279616

素因数分解:

$2^8\times {\mathrm{397}}^1\times {\mathrm{1213}}^1$

素因数の和:1626

約数の個数: 36

約数和(自身を含む): 246900892

約数和(自身を除く): 123621276

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 397, 794, 1213, 1588, 2426, 3176, 4852, 6352, 9704, 12704, 19408, 25408, 38816, 50816, 77632, 101632, 155264, 310528, 481561, 963122, 1926244, 3852488, 7704976, 15409952, 30819904, 61639808, 123279616]

約数ペア:

[(1, 123279616), (2, 61639808), (4, 30819904), (8, 15409952), (16, 7704976), (32, 3852488), (64, 1926244), (128, 963122), (256, 481561), (397, 310528), (794, 155264), (1213, 101632), (1588, 77632), (2426, 50816), (3176, 38816), (4852, 25408), (6352, 19408), (9704, 12704)]