256249664

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2011}}^1$

素因数の和:2215

約数の個数: 56

約数和(自身を含む): 558064416

約数和(自身を除く): 301814752

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 181, 352, 362, 704, 724, 1448, 1991, 2011, 2896, 3982, 4022, 5792, 7964, 8044, 11584, 15928, 16088, 22121, 31856, 32176, 44242, 63712, 64352, 88484, 127424, 128704, 176968, 353936, 363991, 707872, 727982, 1415744, 1455964, 2911928, 4003901, 5823856, 8007802, 11647712, 16015604, 23295424, 32031208, 64062416, 128124832, 256249664]

約数ペア:

[(1, 256249664), (2, 128124832), (4, 64062416), (8, 32031208), (11, 23295424), (16, 16015604), (22, 11647712), (32, 8007802), (44, 5823856), (64, 4003901), (88, 2911928), (176, 1455964), (181, 1415744), (352, 727982), (362, 707872), (704, 363991), (724, 353936), (1448, 176968), (1991, 128704), (2011, 127424), (2896, 88484), (3982, 64352), (4022, 63712), (5792, 44242), (7964, 32176), (8044, 31856), (11584, 22121), (15928, 16088)]