128325864

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 333411840

約数和(自身を除く): 205085976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 173, 186, 248, 346, 372, 519, 692, 744, 997, 1038, 1384, 1994, 2076, 2991, 3988, 4152, 5363, 5982, 7976, 10726, 11964, 16089, 21452, 23928, 30907, 32178, 42904, 61814, 64356, 92721, 123628, 128712, 172481, 185442, 247256, 344962, 370884, 517443, 689924, 741768, 1034886, 1379848, 2069772, 4139544, 5346911, 10693822, 16040733, 21387644, 32081466, 42775288, 64162932, 128325864]

約数ペア:

[(1, 128325864), (2, 64162932), (3, 42775288), (4, 32081466), (6, 21387644), (8, 16040733), (12, 10693822), (24, 5346911), (31, 4139544), (62, 2069772), (93, 1379848), (124, 1034886), (173, 741768), (186, 689924), (248, 517443), (346, 370884), (372, 344962), (519, 247256), (692, 185442), (744, 172481), (997, 128712), (1038, 123628), (1384, 92721), (1994, 64356), (2076, 61814), (2991, 42904), (3988, 32178), (4152, 30907), (5363, 23928), (5982, 21452), (7976, 16089), (10726, 11964)]