12778912

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 26544672

約数和(自身を除く): 13765760

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 251, 296, 344, 502, 592, 688, 1004, 1184, 1376, 1591, 2008, 3182, 4016, 6364, 8032, 9287, 10793, 12728, 18574, 21586, 25456, 37148, 43172, 50912, 74296, 86344, 148592, 172688, 297184, 345376, 399341, 798682, 1597364, 3194728, 6389456, 12778912]

約数ペア:

[(1, 12778912), (2, 6389456), (4, 3194728), (8, 1597364), (16, 798682), (32, 399341), (37, 345376), (43, 297184), (74, 172688), (86, 148592), (148, 86344), (172, 74296), (251, 50912), (296, 43172), (344, 37148), (502, 25456), (592, 21586), (688, 18574), (1004, 12728), (1184, 10793), (1376, 9287), (1591, 8032), (2008, 6364), (3182, 4016)]