12780012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 34255872

約数和(自身を除く): 21475860

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353, 431, 706, 862, 1059, 1293, 1412, 1724, 2118, 2471, 2586, 3017, 4236, 4942, 5172, 6034, 7413, 9051, 9884, 12068, 14826, 18102, 29652, 36204, 152143, 304286, 456429, 608572, 912858, 1065001, 1825716, 2130002, 3195003, 4260004, 6390006, 12780012]

約数ペア:

[(1, 12780012), (2, 6390006), (3, 4260004), (4, 3195003), (6, 2130002), (7, 1825716), (12, 1065001), (14, 912858), (21, 608572), (28, 456429), (42, 304286), (84, 152143), (353, 36204), (431, 29652), (706, 18102), (862, 14826), (1059, 12068), (1293, 9884), (1412, 9051), (1724, 7413), (2118, 6034), (2471, 5172), (2586, 4942), (3017, 4236)]