420190638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{140909}}^1$

素因数の和:140992

約数の個数: 32

約数和(自身を含む): 973969920

約数和(自身を除く): 553779282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 140909, 281818, 422727, 845454, 986363, 1972726, 2959089, 5918178, 10004539, 20009078, 30013617, 60027234, 70031773, 140063546, 210095319, 420190638]

約数ペア:

[(1, 420190638), (2, 210095319), (3, 140063546), (6, 70031773), (7, 60027234), (14, 30013617), (21, 20009078), (42, 10004539), (71, 5918178), (142, 2959089), (213, 1972726), (426, 986363), (497, 845454), (994, 422727), (1491, 281818), (2982, 140909)]