257975352

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{16981}}^1$

素因数の和:17204

約数の個数: 48

約数和(自身を含む): 702035880

約数和(自身を除く): 444060528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 422, 633, 844, 1266, 1688, 1899, 2532, 3798, 5064, 7596, 15192, 16981, 33962, 50943, 67924, 101886, 135848, 152829, 203772, 305658, 407544, 611316, 1222632, 3582991, 7165982, 10748973, 14331964, 21497946, 28663928, 32246919, 42995892, 64493838, 85991784, 128987676, 257975352]

約数ペア:

[(1, 257975352), (2, 128987676), (3, 85991784), (4, 64493838), (6, 42995892), (8, 32246919), (9, 28663928), (12, 21497946), (18, 14331964), (24, 10748973), (36, 7165982), (72, 3582991), (211, 1222632), (422, 611316), (633, 407544), (844, 305658), (1266, 203772), (1688, 152829), (1899, 135848), (2532, 101886), (3798, 67924), (5064, 50943), (7596, 33962), (15192, 16981)]