1245974723

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{1297}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 1555107840

約数和(自身を除く): 309133117

約数列:

[1, 7, 19, 31, 133, 217, 233, 589, 1297, 1631, 4123, 4427, 7223, 9079, 24643, 30989, 40207, 50561, 137237, 172501, 281449, 302201, 763933, 960659, 2115407, 5347531, 5741819, 9368231, 40192733, 65577617, 177996389, 1245974723]

約数ペア:

[(1, 1245974723), (7, 177996389), (19, 65577617), (31, 40192733), (133, 9368231), (217, 5741819), (233, 5347531), (589, 2115407), (1297, 960659), (1631, 763933), (4123, 302201), (4427, 281449), (7223, 172501), (9079, 137237), (24643, 50561), (30989, 40207)]