641982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 1430784

約数和(自身を除く): 788802

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 137, 142, 213, 274, 411, 426, 781, 822, 1507, 1562, 2343, 3014, 4521, 4686, 9042, 9727, 19454, 29181, 58362, 106997, 213994, 320991, 641982]

約数ペア:

[(1, 641982), (2, 320991), (3, 213994), (6, 106997), (11, 58362), (22, 29181), (33, 19454), (66, 9727), (71, 9042), (137, 4686), (142, 4521), (213, 3014), (274, 2343), (411, 1562), (426, 1507), (781, 822)]