12997212

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 31651872

約数和(自身を除く): 18654660

約数列:

[1, 2, 3, 4, 6, 12, 37, 73, 74, 111, 146, 148, 219, 222, 292, 401, 438, 444, 802, 876, 1203, 1604, 2406, 2701, 4812, 5402, 8103, 10804, 14837, 16206, 29273, 29674, 32412, 44511, 58546, 59348, 87819, 89022, 117092, 175638, 178044, 351276, 1083101, 2166202, 3249303, 4332404, 6498606, 12997212]

約数ペア:

[(1, 12997212), (2, 6498606), (3, 4332404), (4, 3249303), (6, 2166202), (12, 1083101), (37, 351276), (73, 178044), (74, 175638), (111, 117092), (146, 89022), (148, 87819), (219, 59348), (222, 58546), (292, 44511), (401, 32412), (438, 29674), (444, 29273), (802, 16206), (876, 14837), (1203, 10804), (1604, 8103), (2406, 5402), (2701, 4812)]