131438978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 220900608

約数和(自身を除く): 89461630

約数列:

[1, 2, 11, 22, 47, 94, 317, 401, 517, 634, 802, 1034, 3487, 4411, 6974, 8822, 14899, 18847, 29798, 37694, 127117, 163889, 207317, 254234, 327778, 414634, 1398287, 2796574, 5974499, 11948998, 65719489, 131438978]

約数ペア:

[(1, 131438978), (2, 65719489), (11, 11948998), (22, 5974499), (47, 2796574), (94, 1398287), (317, 414634), (401, 327778), (517, 254234), (634, 207317), (802, 163889), (1034, 127117), (3487, 37694), (4411, 29798), (6974, 18847), (8822, 14899)]