1557328

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:882

約数の個数: 20

約数和(自身を含む): 3044448

約数和(自身を除く): 1487120

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 743, 1048, 1486, 2096, 2972, 5944, 11888, 97333, 194666, 389332, 778664, 1557328]

約数ペア:

[(1, 1557328), (2, 778664), (4, 389332), (8, 194666), (16, 97333), (131, 11888), (262, 5944), (524, 2972), (743, 2096), (1048, 1486)]