25697504

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1395

約数の個数: 48

約数和(自身を含む): 58514400

約数和(自身を除く): 32816896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 1246, 1289, 1424, 2492, 2578, 2848, 4984, 5156, 9023, 9968, 10312, 18046, 19936, 20624, 36092, 41248, 72184, 114721, 144368, 229442, 288736, 458884, 803047, 917768, 1606094, 1835536, 3212188, 3671072, 6424376, 12848752, 25697504]

約数ペア:

[(1, 25697504), (2, 12848752), (4, 6424376), (7, 3671072), (8, 3212188), (14, 1835536), (16, 1606094), (28, 917768), (32, 803047), (56, 458884), (89, 288736), (112, 229442), (178, 144368), (224, 114721), (356, 72184), (623, 41248), (712, 36092), (1246, 20624), (1289, 19936), (1424, 18046), (2492, 10312), (2578, 9968), (2848, 9023), (4984, 5156)]