1388892217

素因数分解:

${\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1\times {\mathrm{643}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 1436295168

約数和(自身を除く): 47402951

約数列:

[1, 43, 191, 263, 643, 8213, 11309, 27649, 50233, 122813, 169109, 2160019, 5280959, 7271687, 32299819, 1388892217]

約数ペア:

[(1, 1388892217), (43, 32299819), (191, 7271687), (263, 5280959), (643, 2160019), (8213, 169109), (11309, 122813), (27649, 50233)]