77312452

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 159617920

約数和(自身を除く): 82305468

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 157, 172, 301, 314, 409, 602, 628, 818, 1099, 1204, 1636, 2198, 2863, 4396, 5726, 6751, 11452, 13502, 17587, 27004, 35174, 47257, 64213, 70348, 94514, 123109, 128426, 189028, 246218, 256852, 449491, 492436, 898982, 1797964, 2761159, 5522318, 11044636, 19328113, 38656226, 77312452]

約数ペア:

[(1, 77312452), (2, 38656226), (4, 19328113), (7, 11044636), (14, 5522318), (28, 2761159), (43, 1797964), (86, 898982), (157, 492436), (172, 449491), (301, 256852), (314, 246218), (409, 189028), (602, 128426), (628, 123109), (818, 94514), (1099, 70348), (1204, 64213), (1636, 47257), (2198, 35174), (2863, 27004), (4396, 17587), (5726, 13502), (6751, 11452)]