1393402487

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{1721}}^1$

素因数の和:2774

約数の個数: 16

約数和(自身を含む): 1503237120

約数和(自身を除く): 109834633

約数列:

[1, 19, 43, 817, 991, 1721, 18829, 32699, 42613, 74003, 809647, 1406057, 1705511, 32404709, 73336973, 1393402487]

約数ペア:

[(1, 1393402487), (19, 73336973), (43, 32404709), (817, 1705511), (991, 1406057), (1721, 809647), (18829, 74003), (32699, 42613)]