991028717

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{3677}}^1$

素因数の和:4100

約数の個数: 16

約数和(自身を含む): 1145182080

約数和(自身を除く): 154153363

約数列:

[1, 7, 139, 277, 973, 1939, 3677, 25739, 38503, 269521, 511103, 1018529, 3577721, 7129703, 141575531, 991028717]

約数ペア:

[(1, 991028717), (7, 141575531), (139, 7129703), (277, 3577721), (973, 1018529), (1939, 511103), (3677, 269521), (25739, 38503)]