78668524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20089}}^1$

素因数の和:20193

約数の個数: 24

約数和(自身を含む): 151880400

約数和(自身を除く): 73211876

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 20089, 40178, 80356, 220979, 441958, 883916, 1787921, 3575842, 7151684, 19667131, 39334262, 78668524]

約数ペア:

[(1, 78668524), (2, 39334262), (4, 19667131), (11, 7151684), (22, 3575842), (44, 1787921), (89, 883916), (178, 441958), (356, 220979), (979, 80356), (1958, 40178), (3916, 20089)]