12738128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1371

約数の個数: 40

約数和(自身を含む): 27164928

約数和(自身を除く): 14426800

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 1303, 2444, 2606, 4888, 5212, 9776, 10424, 16939, 20848, 33878, 61241, 67756, 122482, 135512, 244964, 271024, 489928, 796133, 979856, 1592266, 3184532, 6369064, 12738128]

約数ペア:

[(1, 12738128), (2, 6369064), (4, 3184532), (8, 1592266), (13, 979856), (16, 796133), (26, 489928), (47, 271024), (52, 244964), (94, 135512), (104, 122482), (188, 67756), (208, 61241), (376, 33878), (611, 20848), (752, 16939), (1222, 10424), (1303, 9776), (2444, 5212), (2606, 4888)]