290656037

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 359645184

約数和(自身を除く): 68989147

約数列:

[1, 7, 23, 47, 71, 161, 329, 497, 541, 1081, 1633, 3337, 3787, 7567, 11431, 12443, 23359, 25427, 38411, 76751, 87101, 177989, 268877, 537257, 584821, 883453, 1805317, 4093747, 6184171, 12637219, 41522291, 290656037]

約数ペア:

[(1, 290656037), (7, 41522291), (23, 12637219), (47, 6184171), (71, 4093747), (161, 1805317), (329, 883453), (497, 584821), (541, 537257), (1081, 268877), (1633, 177989), (3337, 87101), (3787, 76751), (7567, 38411), (11431, 25427), (12443, 23359)]