208051228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^2$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 465978240

約数和(自身を除く): 257927012

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 107, 118, 154, 214, 236, 308, 413, 428, 649, 749, 826, 1177, 1298, 1498, 1652, 2354, 2596, 2996, 4543, 4708, 6313, 8239, 9086, 11449, 12626, 16478, 18172, 22898, 25252, 32956, 44191, 45796, 69443, 80143, 88382, 125939, 138886, 160286, 176764, 251878, 277772, 320572, 486101, 503756, 675491, 881573, 972202, 1350982, 1763146, 1944404, 2701964, 3526292, 4728437, 7430401, 9456874, 14860802, 18913748, 29721604, 52012807, 104025614, 208051228]

約数ペア:

[(1, 208051228), (2, 104025614), (4, 52012807), (7, 29721604), (11, 18913748), (14, 14860802), (22, 9456874), (28, 7430401), (44, 4728437), (59, 3526292), (77, 2701964), (107, 1944404), (118, 1763146), (154, 1350982), (214, 972202), (236, 881573), (308, 675491), (413, 503756), (428, 486101), (649, 320572), (749, 277772), (826, 251878), (1177, 176764), (1298, 160286), (1498, 138886), (1652, 125939), (2354, 88382), (2596, 80143), (2996, 69443), (4543, 45796), (4708, 44191), (6313, 32956), (8239, 25252), (9086, 22898), (11449, 18172), (12626, 16478)]