219958144

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7919}}^1$

素因数の和:7971

約数の個数: 64

約数和(自身を含む): 517017600

約数和(自身を除く): 297059456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 7919, 13888, 15838, 27776, 31676, 55433, 63352, 110866, 126704, 221732, 245489, 253408, 443464, 490978, 506816, 886928, 981956, 1013632, 1718423, 1773856, 1963912, 3436846, 3547712, 3927824, 6873692, 7095424, 7855648, 13747384, 15711296, 27494768, 31422592, 54989536, 109979072, 219958144]

約数ペア:

[(1, 219958144), (2, 109979072), (4, 54989536), (7, 31422592), (8, 27494768), (14, 15711296), (16, 13747384), (28, 7855648), (31, 7095424), (32, 6873692), (56, 3927824), (62, 3547712), (64, 3436846), (112, 1963912), (124, 1773856), (128, 1718423), (217, 1013632), (224, 981956), (248, 886928), (434, 506816), (448, 490978), (496, 443464), (868, 253408), (896, 245489), (992, 221732), (1736, 126704), (1984, 110866), (3472, 63352), (3968, 55433), (6944, 31676), (7919, 27776), (13888, 15838)]