388640456

素因数分解:

$2^3\times {\mathrm{241}}^1\times {\mathrm{201577}}^1$

素因数の和:201824

約数の個数: 16

約数和(自身を含む): 731728140

約数和(自身を除く): 343087684

約数列:

[1, 2, 4, 8, 241, 482, 964, 1928, 201577, 403154, 806308, 1612616, 48580057, 97160114, 194320228, 388640456]

約数ペア:

[(1, 388640456), (2, 194320228), (4, 97160114), (8, 48580057), (241, 1612616), (482, 806308), (964, 403154), (1928, 201577)]