209540429

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 254555136

約数和(自身を除く): 45014707

約数列:

[1, 7, 47, 53, 61, 197, 329, 371, 427, 1379, 2491, 2867, 3233, 9259, 10441, 12017, 17437, 20069, 22631, 64813, 73087, 84119, 151951, 490727, 564799, 636901, 1063657, 3435089, 3953593, 4458307, 29934347, 209540429]

約数ペア:

[(1, 209540429), (7, 29934347), (47, 4458307), (53, 3953593), (61, 3435089), (197, 1063657), (329, 636901), (371, 564799), (427, 490727), (1379, 151951), (2491, 84119), (2867, 73087), (3233, 64813), (9259, 22631), (10441, 20069), (12017, 17437)]