12920128

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 28227528

約数和(自身を除く): 15307400

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 208, 212, 293, 416, 424, 586, 689, 832, 848, 1172, 1378, 1696, 2344, 2756, 3392, 3809, 4688, 5512, 7618, 9376, 11024, 15236, 15529, 18752, 22048, 30472, 31058, 44096, 60944, 62116, 121888, 124232, 201877, 243776, 248464, 403754, 496928, 807508, 993856, 1615016, 3230032, 6460064, 12920128]

約数ペア:

[(1, 12920128), (2, 6460064), (4, 3230032), (8, 1615016), (13, 993856), (16, 807508), (26, 496928), (32, 403754), (52, 248464), (53, 243776), (64, 201877), (104, 124232), (106, 121888), (208, 62116), (212, 60944), (293, 44096), (416, 31058), (424, 30472), (586, 22048), (689, 18752), (832, 15529), (848, 15236), (1172, 11024), (1378, 9376), (1696, 7618), (2344, 5512), (2756, 4688), (3392, 3809)]