213644144

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{21433}}^1$

素因数の和:21537

約数の個数: 40

約数和(自身を含む): 478406880

約数和(自身を除く): 264762736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 21433, 42866, 85732, 150031, 171464, 300062, 342928, 600124, 1200248, 1907537, 2400496, 3815074, 7630148, 13352759, 15260296, 26705518, 30520592, 53411036, 106822072, 213644144]

約数ペア:

[(1, 213644144), (2, 106822072), (4, 53411036), (7, 30520592), (8, 26705518), (14, 15260296), (16, 13352759), (28, 7630148), (56, 3815074), (89, 2400496), (112, 1907537), (178, 1200248), (356, 600124), (623, 342928), (712, 300062), (1246, 171464), (1424, 150031), (2492, 85732), (4984, 42866), (9968, 21433)]