1420628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 2751840

約数和(自身を除く): 1331212

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 389, 778, 913, 1556, 1826, 3652, 4279, 8558, 17116, 32287, 64574, 129148, 355157, 710314, 1420628]

約数ペア:

[(1, 1420628), (2, 710314), (4, 355157), (11, 129148), (22, 64574), (44, 32287), (83, 17116), (166, 8558), (332, 4279), (389, 3652), (778, 1826), (913, 1556)]