256339906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7487}}^1$

素因数の和:7578

約数の個数: 32

約数和(自身を含む): 436700160

約数和(自身を除く): 180360254

約数列:

[1, 2, 17, 19, 34, 38, 53, 106, 323, 646, 901, 1007, 1802, 2014, 7487, 14974, 17119, 34238, 127279, 142253, 254558, 284506, 396811, 793622, 2418301, 4836602, 6745787, 7539409, 13491574, 15078818, 128169953, 256339906]

約数ペア:

[(1, 256339906), (2, 128169953), (17, 15078818), (19, 13491574), (34, 7539409), (38, 6745787), (53, 4836602), (106, 2418301), (323, 793622), (646, 396811), (901, 284506), (1007, 254558), (1802, 142253), (2014, 127279), (7487, 34238), (14974, 17119)]